diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3edd5c0..a399c49 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -43,7 +43,7 @@ jobs:
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-to: type=gha,mode=max,scope=${{ matrix.variant }}
           platforms: linux/amd64,linux/arm64
           build-args: |
             INSTALL_EXT=${{ matrix.variant == 'full' && 'true' || 'false' }}