diff --git a/.github/workflows/build-all.yml b/.github/workflows/build-all.yml
index cdc8a658..7acc7308 100644
--- a/.github/workflows/build-all.yml
+++ b/.github/workflows/build-all.yml
@@ -70,7 +70,7 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2.0.0
-    - run: sudo xcode-select -switch /Applications/Xcode_12.app/Contents/Developer
+    - run: sudo xcode-select -switch /Applications/Xcode_12.4.app/Contents/Developer
     - name: Cache dependancies
       uses: actions/cache@v2
       with: