diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4a91fb9a..94cdd1a4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,10 +18,10 @@ jobs:
           java-package: jdk+fx
       - name: Create macOS app
         if: matrix.os == 'macOS-latest'
-        run: ./gradlew createApp
+        run: gradle createApp
       - name: Create Linux tar.gz
         if: matrix.os == 'ubuntu-latest'
-        run: ./gradlew createLinuxTargz
+        run: gradle createLinuxTargz
       - name: Create Windows exe
         if: matrix.os == 'windows-latest'
-        run: ./gradlew createWindowsInstaller
+        run: gradle createWindowsInstaller
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
new file mode 100644
index 00000000..82c5c932
--- /dev/null
+++ b/.github/workflows/stale.yml
@@ -0,0 +1,19 @@
+name: Mark stale issues and pull requests
+
+on:
+  schedule:
+  - cron: "0 0 * * *"
+
+jobs:
+  stale:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/stale@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        stale-issue-message: 'This issue has been automatically marked stale because it has been open 20 days with no activity. If you would like this to remain open, please remove the stale label or comment, otherwise this issue will be closed in 3 days.'
+        days-before-stale: 20
+        days-before-close: 3
+        exempt-issue-labels: 'enhancement'