diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index d6d673f6..162a26bd 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -4,6 +4,10 @@ on:
       - main
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 name: Benchmark
 
 jobs:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 224c7c02..38807800 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,10 @@ on:
       - main
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 env:
   CARGO_TERM_COLOR: always
 
diff --git a/.github/workflows/guide.yml b/.github/workflows/guide.yml
index d7566672..75216cde 100644
--- a/.github/workflows/guide.yml
+++ b/.github/workflows/guide.yml
@@ -8,6 +8,10 @@ on:
   release:
     types: [published]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
+
 env:
   CARGO_TERM_COLOR: always