diff --git a/.github/workflows/flake.yml b/.github/workflows/flake.yml
index b4a7958..8db73e9 100644
--- a/.github/workflows/flake.yml
+++ b/.github/workflows/flake.yml
@@ -11,3 +11,9 @@ jobs:
     with:
       excluded_errors: F632
 
+
+# Cancel previous in-progress when pushing: https://stackoverflow.com/a/72408109
+concurrency:
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true