diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
deleted file mode 100644
index ac9fa12..0000000
--- a/.github/workflows/build.yaml
+++ /dev/null
@@ -1,36 +0,0 @@
-on: [push, pull_request]
-
-name: Build
-
-jobs:
-  Build:
-    runs-on: 'macOS-10.15'
-
-    steps:
-      - uses: actions/checkout@v1
-
-      - name: Build
-        shell: bash
-        run: |
-          echo Downloading R ...
-          curl -s -LO https://mac.r-project.org/high-sierra/R-4.0-branch/x86_64/R-4.0-branch.tar.gz
-          echo Unpacking R ...
-          sudo rm -rf /Library/Frameworks/R.framework
-          sudo tar fxz R-4.0-branch.tar.gz -C /
-          mkdir -p build/logs
-          for bld in Release Debug; do
-            echo Build $bld ..
-            xcodebuild -configuration $bld -arch x86_64 2>&1 | tee build/logs/$bld.log
-          done
-          echo Pack ...
-          mkdir R-GUI-build
-          mv build/Debug R-GUI-build/
-          mv build/Release R-GUI-build/
-          mv build/logs R-GUI-build/
-          hdiutil create -srcfolder R-GUI-build R-GUI-build.dmg
-
-      - name: Upload build results
-        uses: actions/upload-artifact@master
-        with:
-          path: R-GUI-build.dmg
-          name: R-GUI-build
diff --git a/REVISION b/REVISION
new file mode 100644
index 0000000..298a97c
--- /dev/null
+++ b/REVISION
@@ -0,0 +1 @@
+7976