diff --git a/.github/workflows/deploy-gh-pages.yml b/.github/workflows/deploy-gh-pages.yml
index 1e397c9..698eea4 100644
--- a/.github/workflows/deploy-gh-pages.yml
+++ b/.github/workflows/deploy-gh-pages.yml
@@ -13,6 +13,10 @@ on:
 permissions:
   contents: write
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
 jobs:
   deploy:
     if: github.repository == 'z-shell/src'
diff --git a/.github/workflows/win-install.yml b/.github/workflows/win-install.yml
index 0d2ae7c..580eda5 100644
--- a/.github/workflows/win-install.yml
+++ b/.github/workflows/win-install.yml
@@ -19,6 +19,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   shellcheck:
     runs-on: ubuntu-latest