diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 16df107a..bfb90f0c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,6 +12,10 @@ on:
 permissions:
   contents: read  # to fetch code
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   lint:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 85c73462..2ea9b464 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -15,6 +15,10 @@ on:
     types:
       - published
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build_wheels:
     name: Build wheels on ${{ matrix.os }}