diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index edeb821..1c5e282 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,3 +29,8 @@ jobs:
       - name: Write outputs
         id: publications
         run: ./gradlew :writePublicationsToGitHubOutput
+      - uses: actions/upload-artifact@v4
+        with:
+          path: ${{ steps.publications.outputs.publishedFiles }}
+          compression-level: 0
+          if-no-files-found: error
diff --git a/build.gradle.kts b/build.gradle.kts
index a115bd8..6dcc75c 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,5 +14,6 @@ dependencies {
 
 tasks.register("writePublicationsToGithubOutputFile", WritePublicationsToGitHubOutputFile::class) {
     publicationFiles.from(subPublicationFiles)
+    rootDirectory.set(layout.projectDirectory)
     githubOutputFile.set(file(providers.environmentVariable("GITHUB_OUTPUT")))
 }
diff --git a/gradle/build-logic/src/main/kotlin/WritePublicationsToGitHubOutputFile.kt b/gradle/build-logic/src/main/kotlin/WritePublicationsToGitHubOutputFile.kt
index 67d13b9..c6b9737 100644
--- a/gradle/build-logic/src/main/kotlin/WritePublicationsToGitHubOutputFile.kt
+++ b/gradle/build-logic/src/main/kotlin/WritePublicationsToGitHubOutputFile.kt
@@ -1,5 +1,6 @@
 import org.gradle.api.DefaultTask
 import org.gradle.api.file.ConfigurableFileCollection
+import org.gradle.api.file.DirectoryProperty
 import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.tasks.*
 
@@ -10,6 +11,10 @@ abstract class WritePublicationsToGitHubOutputFile : DefaultTask() {
     @get:PathSensitive(PathSensitivity.RELATIVE)
     abstract val publicationFiles: ConfigurableFileCollection
 
+    @get:InputDirectory
+    @get:PathSensitive(PathSensitivity.RELATIVE)
+    abstract val rootDirectory: DirectoryProperty
+
     @get:OutputFile
     abstract val githubOutputFile: RegularFileProperty
 
@@ -21,7 +26,7 @@ abstract class WritePublicationsToGitHubOutputFile : DefaultTask() {
                 separator = "\n",
                 postfix = "\nEOF\n",
             ) {
-                it.absolutePath
+                it.toRelativeString(rootDirectory.get().asFile)
             }
         )
     }