diff --git a/.github/workflows/package.yml b/.github/workflows/package.yml
index 158012b4..873410af 100644
--- a/.github/workflows/package.yml
+++ b/.github/workflows/package.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Package extension
         run: npx vsce package
       - name: Upload extension vsix to workflow artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: haskell-${{ github.sha }}.vsix
           path: haskell-*.vsix
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 43a18535..90127413 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,7 +25,7 @@ jobs:
 
       ## Make sure the artifact is added to the release.
       - name: Upload extension vsix to workflow artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: haskell-${{ github.event.release.tag_name }}.vsix
           path: ${{ steps.packageExtension.outputs.vsixPath }}