diff --git a/.github/workflows/typeset.yml b/.github/workflows/typeset.yml
index 1b2024f..9243386 100644
--- a/.github/workflows/typeset.yml
+++ b/.github/workflows/typeset.yml
@@ -25,7 +25,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       - name: Set up Git repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Compile LaTeX document
         uses: xu-cheng/latex-action@v2
         with:
@@ -61,7 +61,7 @@ jobs:
           sudo apt-get update && sudo apt-get install -y gcc make cpanminus libxslt1-dev libxml-libxml-perl texlive-latex-extra texlive-fonts-recommended
           sudo cpanm --notest LaTeXML
       - name: Set up Git repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build site
         run: ./rebuild-site.sh
       - name: Upload split page book site