diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index a5a85a4c..86b3d348 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -6,6 +6,10 @@ on:
   pull_request:
   merge_group:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_protected == 'true' && github.sha || github.ref }}-{{ github.event_name }}
+  cancel-in-progress: true
+
 env:
   CARGO_HACK_ARGS: --feature-powerset --exclude-features default --group-features base64,serde,serde_json,schemars,arbitrary,hex