diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 99ea8049..9a941bf5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,6 +18,9 @@ permissions:
 jobs:
   test:
     runs-on: ubuntu-latest
+    timeout-minutes: 30
+    env:
+      CYPRESS_COVERAGE: "true"
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
 
@@ -56,6 +59,7 @@ jobs:
   octocov:
     runs-on: ubuntu-latest
     needs: [test]
+    timeout-minutes: 30
     env:
       CYPRESS_COVERAGE: "true"
     steps:
diff --git a/.github/workflows/gitignore-in.yml b/.github/workflows/gitignore-in.yml
index c07d54be..4f813ae2 100644
--- a/.github/workflows/gitignore-in.yml
+++ b/.github/workflows/gitignore-in.yml
@@ -9,8 +9,13 @@ permissions:
   contents: write
   pull-requests: write
 
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: false
+
 jobs:
   update-gitignore:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     steps:
       - uses: gitignore-in/gh-action@98ab8a7225c88b81167bfef156dbad83c554aaf4 # v0.2.3
diff --git a/.github/workflows/happy.yml b/.github/workflows/happy.yml
index 9735f83a..792c3cf5 100644
--- a/.github/workflows/happy.yml
+++ b/.github/workflows/happy.yml
@@ -14,6 +14,7 @@ permissions:
 jobs:
   happy:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     name: happy
     steps:
       - uses: kitsuyui/happy-commit@b8724714862e1b643122b8f233b3aaca26b9825d # v0.9
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5072624d..0de94809 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,6 +14,7 @@ jobs:
   deploy:
     name: Publish
     runs-on: ubuntu-latest
+    timeout-minutes: 20
     permissions:
       contents: write
     steps:
diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
index 46632c6b..25cf64c5 100644
--- a/.github/workflows/spellcheck.yml
+++ b/.github/workflows/spellcheck.yml
@@ -11,6 +11,7 @@ permissions:
 jobs:
   check:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
       - name: Checkout
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7