diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 33ff65e..26c75fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,10 @@ on:
     branches:
       - "main"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     name: build
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 59fa59d..faf2f1f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -10,6 +10,10 @@ on:
     branches:
       - "main"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   hadolint:
     name: hadolint