diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 7c6f02e68..d30dff9ae 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -97,14 +97,21 @@ jobs:
         uses: actions/cache@v1
         with:
           path: ${{ github.workspace }}${{ matrix.SEP }}pyenv
-          key: ${{ runner.os }}-pyenv-${{ hashFiles('**/requirements.*') }}-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/Makefile') }}-14-
+          key: |
+            ${{ runner.os }}-pyenv-
+            ${{ hashFiles('**/requirements.*') }}-
+            ${{ hashFiles('**/setup.py') }}-
+            ${{ hashFiles('**/Makefile') }}-14-
 
       - name: Cache pip wheels
         if: matrix.BUILD_TYPE == 'build'
         uses: actions/cache@v1
         with:
           path: ${{ matrix.PIP_WHEELS_DIR }}
-          key: ${{ runner.os }}-pip-wheels-${{ hashFiles('**/requirements.txt') }}-${{ hashFiles('**/setup.py') }}-14-
+          key: |
+            ${{ runner.os }}-pip-wheels-
+            ${{ hashFiles('**/requirements.txt') }}-
+            ${{ hashFiles('**/setup.py') }}-14-
 
       - name: Cache cargo index
         uses: actions/cache@v1