diff --git a/.github/workflows/build-subimage.yml b/.github/workflows/build-subimage.yml
index cc953a6..b054480 100644
--- a/.github/workflows/build-subimage.yml
+++ b/.github/workflows/build-subimage.yml
@@ -48,6 +48,7 @@ jobs:
           file: Dockerfile-${{ inputs.subimage }}
           build-args:
             DRONE_COMMIT=sha-${{ github.sha }}
+            BUILDKIT_INLINE_CACHE=1
           tags: ${{ steps.meta.outputs.tags }}
           push: true