diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 23c9f62..a9fac6c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -147,7 +147,7 @@ jobs:
           annotations: ${{ steps.meta.outputs.labels }}
           build-args: |
             VERSION=${{ github.ref_name }}
-            BUILD_TIME=${{ github.event.head_commit.timestamp }}
+            BUILD_TIME=${{ github.event.head_commit.timestamp || github.event.repository.pushed_at }}
             GIT_COMMIT=${{ github.sha }}
           cache-from: type=gha
           cache-to: type=gha,mode=max