diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 765e12ef4..1ebd168da 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -54,16 +54,16 @@ jobs:
         path: ~/.stack
         key: ${{ runner.os }}-stack-global-${{ hashFiles('**.yaml') }}
         restore-keys: |
-             ${{ runner.os }}-stack-global-2
+             ${{ runner.os }}-stack-global
 
     - name: Cache stack-installed programs in ~/.local/bin
       id:   stack-programs
       uses: actions/cache@v2
       with:
         path: ~/.local/bin
-        key: ${{ runner.os }}-stack-programs-${{ hashFiles('**.yaml') }}
+        key: ${{ runner.os }}-stack-programs-2-${{ hashFiles('**.yaml') }}
         restore-keys: |
-             ${{ runner.os }}-stack-programs
+             ${{ runner.os }}-stack-programs-2
 
     - name: Cache .stack-work
       uses: actions/cache@v2