diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5148128..2cd1147 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,7 +37,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: ${{ env.DERIVED_DATA_PATH }}
-          key: ${{ runner.os }}-deriveddata-${{ hashFiles('**/*.xcodeproj/project.pbxproj') }}
+          key: v1-${{ runner.os }}-deriveddata-${{ hashFiles('**/*.xcodeproj/project.pbxproj') }}
           restore-keys: |
             ${{ runner.os }}-deriveddata-
       - name: Build