diff --git a/.github/workflows/flake.yml b/.github/workflows/flake.yml
index d3767e04..a17d7306 100644
--- a/.github/workflows/flake.yml
+++ b/.github/workflows/flake.yml
@@ -16,3 +16,8 @@ jobs:
 
 
 
+
+# Cancel previous in-progress when pushing: https://stackoverflow.com/a/72408109
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true