diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index a59854d4..56a6906e 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -129,7 +129,7 @@ jobs:
         uses: actions/cache@v5
         with:
           path: ${{ fromJSON(steps.test-deps-cache-params.outputs.paths) }}
-          key: ${{ matrix.os }}-${{ steps.test-deps-cache-params.outputs.hash }}
+          key: macos-14-${{ steps.test-deps-cache-params.outputs.hash }}
       - name: Fetch test dependency repositories
         if: steps.test-deps-cache.outputs.cache-hit != 'true'
         continue-on-error: true