diff --git a/.github/workflows/iOS.yml b/.github/workflows/iOS.yml
index 8b8bbb731..3b0a92434 100644
--- a/.github/workflows/iOS.yml
+++ b/.github/workflows/iOS.yml
@@ -36,8 +36,8 @@ jobs:
       uses: actions/cache@v3
       with:
         path: build
-        key: ${{ github.workflow }}-v2-${{ github.sha }}
-        restore-keys: ${{ github.workflow }}-v2-
+        key: ${{ github.workflow }}-v1.5-${{ github.sha }}
+        restore-keys: ${{ github.workflow }}-v1.5-
 
     - name: Configure CMake
       # Use a bash shell so we can use the same syntax for environment variable