diff --git a/.github/workflows/cuda_test.yml b/.github/workflows/cuda_test.yml
index 2b839dcfa7..c4908b943f 100644
--- a/.github/workflows/cuda_test.yml
+++ b/.github/workflows/cuda_test.yml
@@ -9,6 +9,10 @@ on:
 
 permissions: {}
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run-tests:
     name: Run cuda tests
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 33b255c942..6315031acf 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,6 +13,10 @@ on:
 
 permissions: {}
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   run-tests:
     name: Run tests