diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 7c64d21f6..4737fc7c3 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -2,6 +2,10 @@ name: benchmarks
 
 on: [pull_request]
 
+concurrency:
+  group: ${{ github.actor }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   benchmarks:
     strategy:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 52980cd54..97d764ea6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,6 +1,15 @@
 name: tests
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - 'main'
+      - 'GWB-*'
+  pull_request:
+
+concurrency:
+  group: ${{ github.actor }}-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
   test_indentation: