diff --git a/.github/workflows/ci_macos.yaml b/.github/workflows/ci_macos.yaml
index 4b2709516..38b3abce5 100644
--- a/.github/workflows/ci_macos.yaml
+++ b/.github/workflows/ci_macos.yaml
@@ -49,8 +49,10 @@ jobs:
       - name: Setup ccache
         uses: Chocobo1/setup-ccache-action@v1
         with:
-          store_cache: ${{ startsWith(github.ref, 'refs/heads/') }}
+          store_cache: ${{ github.ref == 'refs/heads/master' }}
           update_packager_index: false
+          ccache_options: |
+            max_size=2G
 
       - name: Install boost
         run: |
diff --git a/.github/workflows/ci_ubuntu.yaml b/.github/workflows/ci_ubuntu.yaml
index 313275b07..406b3917a 100644
--- a/.github/workflows/ci_ubuntu.yaml
+++ b/.github/workflows/ci_ubuntu.yaml
@@ -39,7 +39,7 @@ jobs:
       - name: Setup ccache
         uses: Chocobo1/setup-ccache-action@v1
         with:
-          store_cache: ${{ startsWith(github.ref, 'refs/heads/') }}
+          store_cache: ${{ github.ref == 'refs/heads/master' }}
           update_packager_index: false
           ccache_options: |
             max_size=2G