diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 7d7c1fb4..e6b229d9 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -9,6 +9,10 @@ on:
     branches: [master, nightly]
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   github_env:
     name: GitHub Env Debug