diff --git a/.github/workflows/ci_macos.yaml b/.github/workflows/ci_macos.yaml
index 4081a3a35..206d93d22 100644
--- a/.github/workflows/ci_macos.yaml
+++ b/.github/workflows/ci_macos.yaml
@@ -46,6 +46,7 @@ jobs:
       - name: Setup ccache
         uses: Chocobo1/setup-ccache-action@v1
         with:
+          store_cache: ${{ startsWith(github.ref, 'refs/heads/') }}
           update_packager_index: false
 
       - name: Install boost
diff --git a/.github/workflows/ci_ubuntu.yaml b/.github/workflows/ci_ubuntu.yaml
index a5cfa4c1e..59080bb60 100644
--- a/.github/workflows/ci_ubuntu.yaml
+++ b/.github/workflows/ci_ubuntu.yaml
@@ -40,6 +40,7 @@ jobs:
       - name: Setup ccache
         uses: Chocobo1/setup-ccache-action@v1
         with:
+          store_cache: ${{ startsWith(github.ref, 'refs/heads/') }}
           update_packager_index: false
           ccache_options: |
             max_size=2G