diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 396416c..dc7a1c3 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -18,6 +18,7 @@ concurrency:
 jobs:
   build-book:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     steps:
       - uses: actions/checkout@v6
 
@@ -35,6 +36,7 @@ jobs:
 
   build-pyodide:
     runs-on: ubuntu-latest
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v6
 
@@ -51,6 +53,7 @@ jobs:
 
   build-slides:
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@v6
 
@@ -69,6 +72,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [build-book, build-pyodide, build-slides]
     if: github.event_name == 'push'
+    timeout-minutes: 5
     steps:
       - name: Setup Pages
         uses: actions/configure-pages@v6