diff --git a/docs/src/content/docs/index.mdx b/docs/src/content/docs/index.mdx
index 629b4a3..c907c1c 100644
--- a/docs/src/content/docs/index.mdx
+++ b/docs/src/content/docs/index.mdx
@@ -54,6 +54,9 @@ nmcpSettings {
 
     // optional: send publications serially instead of in parallel (might be slower)
     uploadSnapshotsParallelism.set(1)
+
+    // optional: publish all checksums (md5, sha1, sha256, sha512, including for signature files)
+    publishAllChecksums.set(true)
   }
 }
 ```
diff --git a/librarian.root.properties b/librarian.root.properties
index aca5be6..f0d2417 100644
--- a/librarian.root.properties
+++ b/librarian.root.properties
@@ -6,7 +6,7 @@ kdoc.olderVersions=
 kdoc.artifactId=kdoc
 
 pom.groupId=com.gradleup.nmcp
-pom.version=1.5.1-SNAPSHOT
+pom.version=1.6.0-SNAPSHOT
 pom.description=New Maven Central Publishing
 pom.vcsUrl=https://github.com/gradleup/nmcp
 pom.developer=nmcp authors
diff --git a/nmcp/api/nmcp.api b/nmcp/api/nmcp.api
index c9c7012..efd4e01 100644
--- a/nmcp/api/nmcp.api
+++ b/nmcp/api/nmcp.api
@@ -21,6 +21,7 @@ public abstract interface class nmcp/NmcpAggregationExtension {
 	public abstract fun getAllFiles ()Lorg/gradle/api/file/FileCollection;
 	public abstract fun getAllowDuplicateProjectNames ()Lorg/gradle/api/provider/Property;
 	public abstract fun getAllowEmptyAggregation ()Lorg/gradle/api/provider/Property;
+	public abstract fun getPublishAllChecksums ()Lorg/gradle/api/provider/Property;
 	public abstract fun localRepository (Lorg/gradle/api/Action;)V
 	public abstract fun publishAllProjectsProbablyBreakingProjectIsolation ()V
 }
diff --git a/nmcp/src/main/kotlin/nmcp/NmcpAggregationExtension.kt b/nmcp/src/main/kotlin/nmcp/NmcpAggregationExtension.kt
index df372da..653cf27 100644
--- a/nmcp/src/main/kotlin/nmcp/NmcpAggregationExtension.kt
+++ b/nmcp/src/main/kotlin/nmcp/NmcpAggregationExtension.kt
@@ -58,4 +58,14 @@ interface NmcpAggregationExtension {
      * See https://github.com/gradle/gradle/issues/36167 for more details.
      */
     val allowDuplicateProjectNames: Property<Boolean>
+
+    /**
+     * By default, Nmcp tries to avoid publishing the checksums.
+     * Especially, it filters out the `.sha256` and `.sha512` files, as well as all the signature checksums
+     * (`.asc.md5`, `.asc.sha1`, `.asc.sha256`, `.asc.sha512`).
+     * This is to play nicer with [Maven Central publishing limits](https://central.sonatype.org/publish/maven-central-publishing-limits/).
+     *
+     * Default: false
+     */
+    val publishAllChecksums: Property<Boolean>
 }
diff --git a/nmcp/src/main/kotlin/nmcp/NmcpExtension.kt b/nmcp/src/main/kotlin/nmcp/NmcpExtension.kt
index d7eee30..e0f0875 100644
--- a/nmcp/src/main/kotlin/nmcp/NmcpExtension.kt
+++ b/nmcp/src/main/kotlin/nmcp/NmcpExtension.kt
@@ -2,6 +2,7 @@ package nmcp
 
 import org.gradle.api.Action
 import org.gradle.api.file.FileCollection
+import org.gradle.api.provider.Property
 
 interface NmcpExtension {
     /**
diff --git a/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpAggregationExtension.kt b/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpAggregationExtension.kt
index b2130c1..bf0d9d1 100644
--- a/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpAggregationExtension.kt
+++ b/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpAggregationExtension.kt
@@ -13,7 +13,10 @@ import org.gradle.api.artifacts.result.ArtifactResult
 import org.gradle.api.artifacts.result.ResolvedArtifactResult
 import org.gradle.api.attributes.Usage
 import org.gradle.api.file.ConfigurableFileCollection
+import org.gradle.api.file.FileCollection
+import org.gradle.api.file.RegularFile
 import org.gradle.api.provider.Property
+import org.gradle.api.provider.Provider
 
 @GExtension(
     pluginId = "com.gradleup.nmcp.aggregation",
@@ -32,6 +35,8 @@ internal abstract class DefaultNmcpAggregationExtension(private val project: Pro
 
     override val allFiles: ConfigurableFileCollection = project.files()
 
+    private val zipProvider: Provider<RegularFile>
+
     init {
         allFiles.from(
             consumerConfiguration
@@ -43,11 +48,12 @@ internal abstract class DefaultNmcpAggregationExtension(private val project: Pro
                     it.filter(::isCompatible).map { it.file }
                 },
         )
-        project.registerPublishToCentralPortalTasks(
+        zipProvider = project.registerPublishToCentralPortalTasks(
             kind = Kind.aggregation,
             inputFiles = allFiles,
             spec = spec,
-            allowEmptyFiles = allowEmptyAggregation
+            allowEmptyFiles = allowEmptyAggregation,
+            publishAllChecksums = publishAllChecksums
         )
 
         project.afterEvaluate {
@@ -77,7 +83,7 @@ internal abstract class DefaultNmcpAggregationExtension(private val project: Pro
         action.execute(options)
         project.registerNmcpPublishFileByFileToFileSystemTask(
             taskName = "nmcpPublishAggregationTo${options.name.get().capitalizeFirstLetter()}Repository",
-            inputFiles = allFiles,
+            inputFiles = project.zipTree(zipProvider),
             m2AbsolutePath = project.provider { project.file(options.path.get()).absolutePath },
             parallelism = project.provider { 1 },
         )
@@ -100,6 +106,8 @@ internal abstract class DefaultNmcpAggregationExtension(private val project: Pro
 
     abstract override val allowEmptyAggregation: Property<Boolean>
 
+    abstract override val publishAllChecksums: Property<Boolean>
+
     abstract override val allowDuplicateProjectNames: Property<Boolean>
 }
 
diff --git a/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpExtension.kt b/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpExtension.kt
index c49eb4c..cbfb85b 100644
--- a/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpExtension.kt
+++ b/nmcp/src/main/kotlin/nmcp/internal/DefaultNmcpExtension.kt
@@ -77,7 +77,8 @@ internal abstract class DefaultNmcpExtension(private val project: Project): Nmcp
                 kind = Kind.allPublications,
                 inputFiles = m2Files,
                 spec = spec,
-                allowEmptyFiles = project.provider { false }
+                allowEmptyFiles = project.provider { false },
+                publishAllChecksums = project.provider { false }
             )
         }
     }
diff --git a/nmcp/src/main/kotlin/nmcp/internal/utils.kt b/nmcp/src/main/kotlin/nmcp/internal/utils.kt
index 93225dc..9052228 100644
--- a/nmcp/src/main/kotlin/nmcp/internal/utils.kt
+++ b/nmcp/src/main/kotlin/nmcp/internal/utils.kt
@@ -13,6 +13,7 @@ import org.gradle.api.attributes.HasConfigurableAttributes
 import org.gradle.api.attributes.Usage
 import org.gradle.api.attributes.Usage.USAGE_ATTRIBUTE
 import org.gradle.api.file.FileCollection
+import org.gradle.api.file.RegularFile
 import org.gradle.api.provider.Provider
 import org.gradle.api.publish.plugins.PublishingPlugin.PUBLISH_TASK_GROUP
 import org.gradle.api.tasks.bundling.Zip
@@ -53,8 +54,9 @@ internal fun Project.registerPublishToCentralPortalTasks(
     kind: Kind,
     inputFiles: FileCollection,
     spec: CentralPortalOptions,
-    allowEmptyFiles: Provider<Boolean>
-) {
+    allowEmptyFiles: Provider<Boolean>,
+    publishAllChecksums: Provider<Boolean>
+): Provider<RegularFile> {
     val name = kind.name
 
     val releaseTaskName = "nmcpPublish${name.capitalizeFirstLetter()}ToCentralPortal"
@@ -84,19 +86,31 @@ internal fun Project.registerPublishToCentralPortalTasks(
         it.destinationDirectory.set(project.layout.buildDirectory.dir("nmcp/zip"))
         it.archiveFileName.set(zipName)
         it.eachFile {
-            // Exclude maven-metadata files, or the bundle is not recognized
-            // See https://slack-chats.kotlinlang.org/t/16407246/anyone-tried-the-https-central-sonatype-org-publish-publish-#c8738fe5-8051-4f64-809f-ca67a645216e
-            if (it.name.startsWith("maven-metadata")) {
-                it.exclude()
+            val publishAllChecksums = publishAllChecksums.getOrElse(false)
+            when {
+                it.name.startsWith("maven-metadata") -> {
+                    // Exclude maven-metadata files, or the bundle is not recognized
+                    // See https://slack-chats.kotlinlang.org/t/16407246/anyone-tried-the-https-central-sonatype-org-publish-publish-#c8738fe5-8051-4f64-809f-ca67a645216e
+                    it.exclude()
+                }
+                !publishAllChecksums && (it.name.endsWith(".sha256") || it.name.endsWith(".sha512")) -> {
+                    // It's not clear if those are used, and it reduces the number of files in the deployment
+                    it.exclude()
+                }
+                !publishAllChecksums && (it.name.endsWith(".asc.md5") || it.name.endsWith(".asc.sha1")) -> {
+                    // It's not clear if those are used, and it reduces the number of files in the deployment
+                    it.exclude()
+                }
             }
         }
         it.dependsOn(checkFilesTaskProvider)
     }
 
+    val zipProvider = zipTaskProvider.flatMap { it.archiveFile }
 
     val releaseTask = registerNmcpPublishWithPublisherApiTask(
         taskName = releaseTaskName,
-        inputFile = zipTaskProvider.flatMap { it.archiveFile },
+        inputFile = zipProvider,
         username = spec.username,
         password = spec.password,
         publicationName = spec.publicationName.orElse(checkFilesTaskProvider.flatMap { it.outputFile }.map { it.asFile.readText() }),
@@ -148,7 +162,7 @@ internal fun Project.registerPublishToCentralPortalTasks(
     registerNmcpPublishFileByFileToFileSystemTask(
         taskName = localTaskName,
         m2AbsolutePath = project.provider { m2File.absolutePath },
-        inputFiles = inputFiles,
+        inputFiles = zipTree(zipProvider),
         parallelism = spec.uploadSnapshotsParallelism.orElse(defaultParallelism),
     )
 
@@ -171,6 +185,8 @@ internal fun Project.registerPublishToCentralPortalTasks(
             }
         }
     }
+
+    return zipProvider
 }
 
 private fun taskPath(project: Project, taskName: String): String {
diff --git a/nmcp/testProjects/duplicate-name/build.gradle.kts b/nmcp/testProjects/duplicate-name/build.gradle.kts
index 4d6f15f..b665724 100644
--- a/nmcp/testProjects/duplicate-name/build.gradle.kts
+++ b/nmcp/testProjects/duplicate-name/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
   id("org.jetbrains.kotlin.jvm").version("2.3.0").apply(false)
-  id("com.gradleup.nmcp.aggregation").version("1.5.1-SNAPSHOT")
+  id("com.gradleup.nmcp.aggregation").version("1.6.0-SNAPSHOT")
 }
 
 group = "com.example"
diff --git a/nmcp/testProjects/empty-aggregation/build.gradle.kts b/nmcp/testProjects/empty-aggregation/build.gradle.kts
index a118126..5386c6c 100644
--- a/nmcp/testProjects/empty-aggregation/build.gradle.kts
+++ b/nmcp/testProjects/empty-aggregation/build.gradle.kts
@@ -1,3 +1,3 @@
 plugins {
-  id("com.gradleup.nmcp.aggregation").version("1.5.1-SNAPSHOT")
+  id("com.gradleup.nmcp.aggregation").version("1.6.0-SNAPSHOT")
 }
diff --git a/scripts/integration-tests.sh b/scripts/integration-tests.sh
index eb2cbe7..67c4f06 100755
--- a/scripts/integration-tests.sh
+++ b/scripts/integration-tests.sh
@@ -2,6 +2,7 @@
 set -e
 set -x
 ./gradlew -p tests/jvm build
-./gradlew -p tests/kmp publishAggregationToCentralPortal --configuration-cache
-./gradlew -p tests/kmp nmcpPublishDeployment -PnmcpDeploymentId=599ab6f5-dd08-4e7b-ae5a-85b45031715a --configuration-cache
+./gradlew -p tests/kmp publishAggregationToCentralPortal
+./gradlew -p tests/kmp nmcpPublishDeployment -PnmcpDeploymentId=599ab6f5-dd08-4e7b-ae5a-85b45031715a
 ./gradlew -p tests/kmp build
+./gradlew -p tests/publish-all-checksums build
diff --git a/tests/jvm/build.gradle.kts b/tests/jvm/build.gradle.kts
index 3f20d02..7696f47 100644
--- a/tests/jvm/build.gradle.kts
+++ b/tests/jvm/build.gradle.kts
@@ -3,16 +3,9 @@ import nmcp.NmcpAggregationExtension
 plugins {
     id("base")
     alias(libs.plugins.kgp).apply(false)
+    id("com.gradleup.nmcp.aggregation")
 }
 
-buildscript {
-    dependencies {
-        classpath("com.gradleup.nmcp:nmcp")
-    }
-}
-
-apply(plugin = "com.gradleup.nmcp.aggregation")
-
 group = "net.mbonnin.tnmcp"
 version = "0.0.3"
 
@@ -85,7 +78,8 @@ subprojects {
     }
 }
 
-extensions.getByType<NmcpAggregationExtension>().apply {
+nmcpAggregation {
+    @Suppress("DEPRECATION")
     publishAllProjectsProbablyBreakingProjectIsolation()
 
     centralPortal {
diff --git a/tests/jvm/gradle.properties b/tests/jvm/gradle.properties
index e69de29..ac1a35f 100644
--- a/tests/jvm/gradle.properties
+++ b/tests/jvm/gradle.properties
@@ -0,0 +1 @@
+org.gradle.configuration-cache=true
\ No newline at end of file
diff --git a/tests/jvm/settings.gradle.kts b/tests/jvm/settings.gradle.kts
index 616ae40..bc1e13b 100644
--- a/tests/jvm/settings.gradle.kts
+++ b/tests/jvm/settings.gradle.kts
@@ -4,8 +4,13 @@ pluginManagement {
       mavenCentral()
     }
   }
+    includeBuild("../../")
 }
 
 includeBuild("../../")
 
+plugins {
+    id("com.gradleup.nmcp.settings").apply(false)
+}
+
 include(":module1", ":module2")
diff --git a/tests/kmp/build.gradle.kts b/tests/kmp/build.gradle.kts
index 106857b..c66a111 100644
--- a/tests/kmp/build.gradle.kts
+++ b/tests/kmp/build.gradle.kts
@@ -69,7 +69,7 @@ tasks.register("checkZip") {
             }
         }
 
-        //println(paths.sorted().joinToString(",\n"))
+//        println(paths.sorted().joinToString(",\n"))
         check(
             paths.sorted().equals(
                 listOf(
@@ -80,187 +80,119 @@ tasks.register("checkZip") {
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1-sources.jar",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1-sources.jar.md5",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1-sources.jar.sha1",
-                    "sample/kmp/module1-js/0.0.1/module1-js-0.0.1-sources.jar.sha256",
-                    "sample/kmp/module1-js/0.0.1/module1-js-0.0.1-sources.jar.sha512",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.klib",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.klib.md5",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.klib.sha1",
-                    "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.klib.sha256",
-                    "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.klib.sha512",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.module",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.module.md5",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.module.sha1",
-                    "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.module.sha256",
-                    "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.module.sha512",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.pom",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.pom.md5",
                     "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.pom.sha1",
-                    "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.pom.sha256",
-                    "sample/kmp/module1-js/0.0.1/module1-js-0.0.1.pom.sha512",
                     "sample/kmp/module1-jvm/",
                     "sample/kmp/module1-jvm/0.0.1/",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1-sources.jar",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1-sources.jar.md5",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1-sources.jar.sha1",
-                    "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1-sources.jar.sha256",
-                    "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1-sources.jar.sha512",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.jar",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.jar.md5",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.jar.sha1",
-                    "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.jar.sha256",
-                    "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.jar.sha512",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.module",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.module.md5",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.module.sha1",
-                    "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.module.sha256",
-                    "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.module.sha512",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.pom",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.pom.md5",
                     "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.pom.sha1",
-                    "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.pom.sha256",
-                    "sample/kmp/module1-jvm/0.0.1/module1-jvm-0.0.1.pom.sha512",
                     "sample/kmp/module1-linuxarm64/",
                     "sample/kmp/module1-linuxarm64/0.0.1/",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1-sources.jar",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1-sources.jar.md5",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1-sources.jar.sha1",
-                    "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1-sources.jar.sha256",
-                    "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1-sources.jar.sha512",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.klib",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.klib.md5",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.klib.sha1",
-                    "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.klib.sha256",
-                    "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.klib.sha512",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.module",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.module.md5",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.module.sha1",
-                    "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.module.sha256",
-                    "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.module.sha512",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.pom",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.pom.md5",
                     "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.pom.sha1",
-                    "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.pom.sha256",
-                    "sample/kmp/module1-linuxarm64/0.0.1/module1-linuxarm64-0.0.1.pom.sha512",
                     "sample/kmp/module1/",
                     "sample/kmp/module1/0.0.1/",
                     "sample/kmp/module1/0.0.1/module1-0.0.1-kotlin-tooling-metadata.json",
                     "sample/kmp/module1/0.0.1/module1-0.0.1-kotlin-tooling-metadata.json.md5",
                     "sample/kmp/module1/0.0.1/module1-0.0.1-kotlin-tooling-metadata.json.sha1",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1-kotlin-tooling-metadata.json.sha256",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1-kotlin-tooling-metadata.json.sha512",
                     "sample/kmp/module1/0.0.1/module1-0.0.1-sources.jar",
                     "sample/kmp/module1/0.0.1/module1-0.0.1-sources.jar.md5",
                     "sample/kmp/module1/0.0.1/module1-0.0.1-sources.jar.sha1",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1-sources.jar.sha256",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1-sources.jar.sha512",
                     "sample/kmp/module1/0.0.1/module1-0.0.1.jar",
                     "sample/kmp/module1/0.0.1/module1-0.0.1.jar.md5",
                     "sample/kmp/module1/0.0.1/module1-0.0.1.jar.sha1",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1.jar.sha256",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1.jar.sha512",
                     "sample/kmp/module1/0.0.1/module1-0.0.1.module",
                     "sample/kmp/module1/0.0.1/module1-0.0.1.module.md5",
                     "sample/kmp/module1/0.0.1/module1-0.0.1.module.sha1",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1.module.sha256",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1.module.sha512",
                     "sample/kmp/module1/0.0.1/module1-0.0.1.pom",
                     "sample/kmp/module1/0.0.1/module1-0.0.1.pom.md5",
                     "sample/kmp/module1/0.0.1/module1-0.0.1.pom.sha1",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1.pom.sha256",
-                    "sample/kmp/module1/0.0.1/module1-0.0.1.pom.sha512",
                     "sample/kmp/module2-js/",
                     "sample/kmp/module2-js/0.0.1/",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1-sources.jar",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1-sources.jar.md5",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1-sources.jar.sha1",
-                    "sample/kmp/module2-js/0.0.1/module2-js-0.0.1-sources.jar.sha256",
-                    "sample/kmp/module2-js/0.0.1/module2-js-0.0.1-sources.jar.sha512",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.klib",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.klib.md5",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.klib.sha1",
-                    "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.klib.sha256",
-                    "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.klib.sha512",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.module",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.module.md5",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.module.sha1",
-                    "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.module.sha256",
-                    "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.module.sha512",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.pom",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.pom.md5",
                     "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.pom.sha1",
-                    "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.pom.sha256",
-                    "sample/kmp/module2-js/0.0.1/module2-js-0.0.1.pom.sha512",
                     "sample/kmp/module2-jvm/",
                     "sample/kmp/module2-jvm/0.0.1/",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1-sources.jar",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1-sources.jar.md5",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1-sources.jar.sha1",
-                    "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1-sources.jar.sha256",
-                    "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1-sources.jar.sha512",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.jar",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.jar.md5",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.jar.sha1",
-                    "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.jar.sha256",
-                    "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.jar.sha512",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.module",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.module.md5",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.module.sha1",
-                    "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.module.sha256",
-                    "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.module.sha512",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.pom",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.pom.md5",
                     "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.pom.sha1",
-                    "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.pom.sha256",
-                    "sample/kmp/module2-jvm/0.0.1/module2-jvm-0.0.1.pom.sha512",
                     "sample/kmp/module2-linuxarm64/",
                     "sample/kmp/module2-linuxarm64/0.0.1/",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1-sources.jar",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1-sources.jar.md5",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1-sources.jar.sha1",
-                    "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1-sources.jar.sha256",
-                    "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1-sources.jar.sha512",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.klib",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.klib.md5",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.klib.sha1",
-                    "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.klib.sha256",
-                    "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.klib.sha512",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.module",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.module.md5",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.module.sha1",
-                    "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.module.sha256",
-                    "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.module.sha512",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.pom",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.pom.md5",
                     "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.pom.sha1",
-                    "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.pom.sha256",
-                    "sample/kmp/module2-linuxarm64/0.0.1/module2-linuxarm64-0.0.1.pom.sha512",
                     "sample/kmp/module2/",
                     "sample/kmp/module2/0.0.1/",
                     "sample/kmp/module2/0.0.1/module2-0.0.1-kotlin-tooling-metadata.json",
                     "sample/kmp/module2/0.0.1/module2-0.0.1-kotlin-tooling-metadata.json.md5",
                     "sample/kmp/module2/0.0.1/module2-0.0.1-kotlin-tooling-metadata.json.sha1",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1-kotlin-tooling-metadata.json.sha256",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1-kotlin-tooling-metadata.json.sha512",
                     "sample/kmp/module2/0.0.1/module2-0.0.1-sources.jar",
                     "sample/kmp/module2/0.0.1/module2-0.0.1-sources.jar.md5",
                     "sample/kmp/module2/0.0.1/module2-0.0.1-sources.jar.sha1",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1-sources.jar.sha256",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1-sources.jar.sha512",
                     "sample/kmp/module2/0.0.1/module2-0.0.1.jar",
                     "sample/kmp/module2/0.0.1/module2-0.0.1.jar.md5",
                     "sample/kmp/module2/0.0.1/module2-0.0.1.jar.sha1",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1.jar.sha256",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1.jar.sha512",
                     "sample/kmp/module2/0.0.1/module2-0.0.1.module",
                     "sample/kmp/module2/0.0.1/module2-0.0.1.module.md5",
                     "sample/kmp/module2/0.0.1/module2-0.0.1.module.sha1",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1.module.sha256",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1.module.sha512",
                     "sample/kmp/module2/0.0.1/module2-0.0.1.pom",
                     "sample/kmp/module2/0.0.1/module2-0.0.1.pom.md5",
                     "sample/kmp/module2/0.0.1/module2-0.0.1.pom.sha1",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1.pom.sha256",
-                    "sample/kmp/module2/0.0.1/module2-0.0.1.pom.sha512",
                 )
             )
         )
diff --git a/tests/kmp/gradle.properties b/tests/kmp/gradle.properties
index 8b13789..f6847c1 100644
--- a/tests/kmp/gradle.properties
+++ b/tests/kmp/gradle.properties
@@ -1 +1 @@
-
+# no configuration cache here because we run the test server in the build script
diff --git a/tests/publish-all-checksums/build.gradle.kts b/tests/publish-all-checksums/build.gradle.kts
new file mode 100644
index 0000000..11fee15
--- /dev/null
+++ b/tests/publish-all-checksums/build.gradle.kts
@@ -0,0 +1,80 @@
+import nmcp.NmcpAggregationExtension
+
+plugins {
+  id("java")
+  id("com.gradleup.nmcp")
+  id("maven-publish")
+  id("signing")
+  id("com.gradleup.nmcp.aggregation")
+}
+
+group = "net.mbonnin.tnmcp.checksums"
+version = "0.0.0-SNAPSHOT"
+
+publishing {
+  publications {
+    create("default", MavenPublication::class.java) {
+      from(components.getByName("java"))
+    }
+  }
+}
+
+signing {
+  sign(publishing.publications)
+  // This is a test-only key, it's OK to have it in source control
+  useInMemoryPgpKeys(
+    """
+            -----BEGIN PGP PRIVATE KEY BLOCK-----
+
+            lFgEajfv+hYJKwYBBAHaRw8BAQdAAtZjfx7pt7TkHKxX6UC9ORR73co/I6+S6t7u
+            /rXV9wgAAQD634Lubr21SycUMR9XlMopjyAiraFsJhmnlJSEjzUCgA5BtBRUZXN0
+            IDx0ZXN0QHRlc3QuY29tPoi1BBMWCgBdFiEEr/qnDkskFs9qzOQsipLIGWOW/iQF
+            Amo37/obFIAAAAAABAAObWFudTIsMi41KzEuMTIsMCwzAhsDBQkFo5qABQsJCAcC
+            AiICBhUKCQgLAgQWAgMBAh4HAheAAAoJEIqSyBljlv4kg20A/iDNNgJl3m4cCQoO
+            mTvvX8QEMnWZLHLpxI69cKZVh36HAQD6eBcof42zc0+6h/xJgkOwFg6F70KIVZv+
+            TaqMV1TYBJxdBGo37/oSCisGAQQBl1UBBQEBB0BJYHa33fClfG+p8vhZ4LuBj5Cq
+            XArQPF/W1ZfAbmTCMQMBCAcAAP9Wk1ssXCVSyeLflcKW+aS8RXgFYTrm8KKwK+A7
+            2GeuwBKKiJoEGBYKAEIWIQSv+qcOSyQWz2rM5CyKksgZY5b+JAUCajfv+hsUgAAA
+            AAAEAA5tYW51MiwyLjUrMS4xMiwwLDMCGwwFCQWjmoAACgkQipLIGWOW/iRhAQEA
+            up+FQ86sGGp8oKYCCOS0l5NkgszgJJZYVKCghlSG2G4BAK4hqML04TGh53iXYjFt
+            KP12LB2cwKyM3On8/1LmBEQC
+            =PPy4
+            -----END PGP PRIVATE KEY BLOCK-----
+        """.trimIndent(),
+    ""
+  )
+}
+
+val testDirectory = "build/m2"
+
+nmcpAggregation {
+  localRepository {
+    name = "test"
+    path = testDirectory
+  }
+  publishAllChecksums.set(true)
+}
+
+dependencies {
+  nmcpAggregation(project)
+}
+
+tasks.named("nmcpPublishAggregationToTestRepository") {
+  val dir = project.file(testDirectory)
+  doFirst {
+    dir.deleteRecursively()
+  }
+}
+
+tasks.named("check") {
+  dependsOn("nmcpPublishAggregationToTestRepository")
+  val dir = project.file(testDirectory)
+  doLast {
+    check(dir.walk().any {
+      it.name.endsWith(".asc.sha512")
+    })
+    check(dir.walk().any {
+      it.name.endsWith(".asc.sha256")
+    })
+  }
+}
\ No newline at end of file
diff --git a/tests/publish-all-checksums/gradle b/tests/publish-all-checksums/gradle
new file mode 120000
index 0000000..1ce6c4c
--- /dev/null
+++ b/tests/publish-all-checksums/gradle
@@ -0,0 +1 @@
+../../gradle
\ No newline at end of file
diff --git a/tests/publish-all-checksums/gradle.properties b/tests/publish-all-checksums/gradle.properties
new file mode 100644
index 0000000..ac1a35f
--- /dev/null
+++ b/tests/publish-all-checksums/gradle.properties
@@ -0,0 +1 @@
+org.gradle.configuration-cache=true
\ No newline at end of file
diff --git a/tests/publish-all-checksums/gradlew b/tests/publish-all-checksums/gradlew
new file mode 120000
index 0000000..343e0d2
--- /dev/null
+++ b/tests/publish-all-checksums/gradlew
@@ -0,0 +1 @@
+../../gradlew
\ No newline at end of file
diff --git a/tests/publish-all-checksums/settings.gradle.kts b/tests/publish-all-checksums/settings.gradle.kts
new file mode 100644
index 0000000..78a7346
--- /dev/null
+++ b/tests/publish-all-checksums/settings.gradle.kts
@@ -0,0 +1,14 @@
+pluginManagement {
+  listOf(repositories, dependencyResolutionManagement.repositories).forEach {
+    it.apply {
+      mavenCentral()
+    }
+  }
+    includeBuild("../../")
+}
+
+includeBuild("../../")
+
+plugins {
+    id("com.gradleup.nmcp.settings").apply(false)
+}
diff --git a/tests/publish-all-checksums/src/main/java/com/example/HelloWorld.java b/tests/publish-all-checksums/src/main/java/com/example/HelloWorld.java
new file mode 100644
index 0000000..a7499cf
--- /dev/null
+++ b/tests/publish-all-checksums/src/main/java/com/example/HelloWorld.java
@@ -0,0 +1,7 @@
+package com.example;
+
+public class HelloWorld {
+    public static void main(String[] args) {
+        System.out.println("Hello, World!");
+    }
+}