diff --git a/.github/workflows/mac.yaml b/.github/workflows/mac.yaml
index 56020767..deebefda 100644
--- a/.github/workflows/mac.yaml
+++ b/.github/workflows/mac.yaml
@@ -37,6 +37,12 @@ jobs:
         key: ${{ runner.os }}-pip-bash-tools  # -${{ hashFiles('**/requirements.txt') }}
         restore-keys: |
           ${{ runner.os }}-pip-
+    - uses: actions/cache@v1
+      with:
+        path: ~/.cpanm
+        key: ${{ runner.os }}-cpanm-bash-tools  # ${{ hashFiles('**/cpan-requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-cpanm-
     - name: brew update
       run: which brew && brew update || :
     - name: build