diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index becae5f..0ed1661 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -11,6 +11,7 @@ name: github pages
     paths-ignore: ['paper/**', 'README.md', 'LICENSE.txt']
 jobs:
   make:
+    timeout-minutes: 15
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/pdd.yml b/.github/workflows/pdd.yml
index b883f36..5e0e925 100644
--- a/.github/workflows/pdd.yml
+++ b/.github/workflows/pdd.yml
@@ -9,6 +9,7 @@ name: pdd
       - master
 jobs:
   pdd:
+    timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/xcop.yml b/.github/workflows/xcop.yml
index d5d1235..cb2af42 100644
--- a/.github/workflows/xcop.yml
+++ b/.github/workflows/xcop.yml
@@ -9,6 +9,7 @@ name: xcop
       - master
 jobs:
   xcop:
+    timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4