diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 5d702075..3dfc3097 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,6 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
+      with:
+        ref: master
     - name: Install latex and fonts
       run: sudo apt-get install texlive-xetex fonts-arphic-gbsn00lp fonts-wqy-zenhei fonts-arphic-gkai00mp latex-cjk-all
     - name: Compile English resume
@@ -83,6 +85,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
+        with:
+          ref: master
       - name: Dump GitHub context
         env:
           GITHUB_CONTEXT: ${{ toJson(github) }}