diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 9aba4b06c..226dbc4fc 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -147,7 +147,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        swift_version: ['6.1.3', '6.3', 'nightly']
+        swift_version: ['6.3', 'nightly']
         os_version: ['jammy']
         jdk_vendor: ['corretto']
     container:
diff --git a/Package.swift b/Package.swift
index e009119d4..c2e7b7eef 100644
--- a/Package.swift
+++ b/Package.swift
@@ -140,7 +140,7 @@ let package = Package(
     .package(url: "https://github.com/apple/swift-system", from: "1.4.0"),
     .package(url: "https://github.com/apple/swift-log", from: "1.2.0"),
     .package(url: "https://github.com/apple/swift-collections", from: "1.3.0"), // primarily for ordered collections
-    .package(url: "https://github.com/swiftlang/swift-subprocess.git", from: "0.4.0", traits: ["SubprocessFoundation"]),
+    .package(url: "https://github.com/swiftlang/swift-subprocess.git", "0.5.0"..<"2.0.0", traits: ["SubprocessFoundation"]),
 
     // Benchmarking
     .package(url: "https://github.com/ordo-one/package-benchmark", .upToNextMajor(from: "1.4.0")),
diff --git a/Sources/SwiftJavaTool/Commands/JavaCallbacksBuildCommand.swift b/Sources/SwiftJavaTool/Commands/JavaCallbacksBuildCommand.swift
index 3d737f047..bbbfba44d 100644
--- a/Sources/SwiftJavaTool/Commands/JavaCallbacksBuildCommand.swift
+++ b/Sources/SwiftJavaTool/Commands/JavaCallbacksBuildCommand.swift
@@ -269,8 +269,8 @@ private func runSubprocess(
     .path(FilePath(executable)),
     arguments: .init(arguments),
     environment: environment,
-    output: .standardOutput,
-    error: .standardError,
+    output: .currentStandardOutput,
+    error: .currentStandardError,
   )
   guard result.terminationStatus.isSuccess else {
     throw JavaCallbacksBuildError(