diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e3e719e..ce92368 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build
         run: |
           mkdir -p build && chmod -R 0777 build
@@ -22,7 +22,7 @@ jobs:
           mv build/slide-deck.html build/index.html
       - name: Deploy
         if: github.ref == 'refs/heads/master'
-        uses: JamesIves/github-pages-deploy-action@v4.4.0
+        uses: JamesIves/github-pages-deploy-action@v4
         with:
           branch: gh-pages
           folder: build