diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index a2734e0..8ff6448 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -82,6 +82,6 @@ jobs:
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-to: type=gha,mode=max,ignore-error=true
           provenance: mode=max
           sbom: true
diff --git a/tests/workflow-contract.sh b/tests/workflow-contract.sh
index 05f16f8..01594ca 100755
--- a/tests/workflow-contract.sh
+++ b/tests/workflow-contract.sh
@@ -13,6 +13,7 @@ grep -F 'packages: write' "$workflow" >/dev/null
 grep -F 'ghcr.io/${{ github.repository }}' "$workflow" >/dev/null
 grep -F 'platforms: linux/amd64' "$workflow" >/dev/null
 grep -F 'needs: test' "$workflow" >/dev/null
+grep -F 'cache-to: type=gha,mode=max,ignore-error=true' "$workflow" >/dev/null
 # Match the GitHub expression literally.
 # shellcheck disable=SC2016
 grep -F 'push: ${{ github.event_name != '\''pull_request'\'' }}' "$workflow" >/dev/null