diff --git a/.github/actions/setup_test_project/action.yml b/.github/actions/setup_test_project/action.yml
index 34e27e5d..70be648c 100644
--- a/.github/actions/setup_test_project/action.yml
+++ b/.github/actions/setup_test_project/action.yml
@@ -60,6 +60,6 @@ runs:
     - name: Install dependencies
       if: steps.yarn-cache.outputs.cache-hit != 'true'
       run: |
-        yarn install --cwd example
+        yarn install --cwd example --immutable
         yarn install
       shell: bash