diff --git a/.github/workflows/build-main.yml b/.github/workflows/build-main.yml
index 4bcc576b..fdebd314 100644
--- a/.github/workflows/build-main.yml
+++ b/.github/workflows/build-main.yml
@@ -55,7 +55,7 @@ jobs:
           GPR_WRITE_TOKEN: ${{ secrets.GPR_WRITE_TOKEN }}
 
       - name: Upload built jars (${{ matrix.project_prefix }})
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: always()
         with:
           name: jars-${{ matrix.project_prefix }}-${{ github.sha }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4ff31322..6ed35888 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -172,7 +172,7 @@ jobs:
       # (Optional) Upload JReleaser output for debugging/audit
       - name: Upload JReleaser output
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: jreleaser-output
           path: |