diff --git a/api/shadow.api b/api/shadow.api
index 49a01ee0c..4a67b24a3 100644
--- a/api/shadow.api
+++ b/api/shadow.api
@@ -203,6 +203,7 @@ public abstract interface class com/github/jengelman/gradle/plugins/shadow/tasks
 }
 
 public class com/github/jengelman/gradle/plugins/shadow/tasks/ShadowCopyAction : org/gradle/api/internal/file/copy/CopyAction {
+	public static final field CONSTANT_TIME_FOR_ZIP_ENTRIES J
 	public static final field Companion Lcom/github/jengelman/gradle/plugins/shadow/tasks/ShadowCopyAction$Companion;
 	public fun <init> (Ljava/io/File;Lkotlin/jvm/functions/Function1;Ljava/util/Set;Ljava/util/Set;Ljava/util/Set;ZZZLjava/lang/String;)V
 	public fun execute (Lorg/gradle/api/internal/file/copy/CopyActionProcessingStream;)Lorg/gradle/api/tasks/WorkResult;
diff --git a/src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/tasks/ShadowCopyAction.kt b/src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/tasks/ShadowCopyAction.kt
index fd8f98dfd..e59b24df4 100644
--- a/src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/tasks/ShadowCopyAction.kt
+++ b/src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/tasks/ShadowCopyAction.kt
@@ -285,12 +285,21 @@ constructor(
       get() =
         this::class.java.getDeclaredField("entries").apply { isAccessible = true }.get(this).cast()
 
+    @Deprecated(
+      message =
+        "Use `CONSTANT_TIME_FOR_ZIP_ENTRIES` const instead. This will be removed in Shadow 10.",
+      replaceWith = ReplaceWith("CONSTANT_TIME_FOR_ZIP_ENTRIES"),
+    )
+    @Suppress("FunctionName") // For ABI compatibility.
+    public fun getCONSTANT_TIME_FOR_ZIP_ENTRIES(): Long = CONSTANT_TIME_FOR_ZIP_ENTRIES
+
     /**
      * A copy of
      * [org.gradle.api.internal.file.archive.ZipEntryConstants.CONSTANT_TIME_FOR_ZIP_ENTRIES].
      *
      * 1980-02-01 00:00:00 (318182400000).
      */
+    @JvmField
     public val CONSTANT_TIME_FOR_ZIP_ENTRIES: Long =
       GregorianCalendar(1980, 1, 1, 0, 0, 0).timeInMillis
   }