diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
new file mode 100644
index 0000000..01258be
--- /dev/null
+++ b/.github/workflows/actionlint.yml
@@ -0,0 +1,25 @@
+name: actionlint
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+
+# If new code is pushed to a PR branch, then cancel in progress workflows for that PR. Ensures that
+# we don't waste CI time
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  actionlint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Download actionlint
+        id: get_actionlint
+        run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
+        shell: bash
+      - name: Check workflow files
+        run: ${{ steps.get_actionlint.outputs.executable }} -color
+        shell: bash
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0792c0c..78d1f47 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,17 +12,6 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  actionlint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Download actionlint
-        id: get_actionlint
-        run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
-        shell: bash
-      - name: Check workflow files
-        run: ${{ steps.get_actionlint.outputs.executable }} -color
-        shell: bash
   python:
     runs-on: ubuntu-latest
     name: python