diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3398166..35709a4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,6 +12,11 @@ permissions:
   # Allow action to write raw configs back to the repository.
   contents: write
 
+# Run commits in order to prevent out of order write back commits.
+concurrency:
+  group: ${{ github.head_ref || github.ref_name }}
+  cancel-in-progress: false
+
 jobs:
   shellcheck:
     runs-on: ubuntu-latest