diff --git a/.github/workflows/CW24_lightning_talk.yml b/.github/workflows/CW24_lightning_talk.yml
index 39bef59..29a9130 100644
--- a/.github/workflows/CW24_lightning_talk.yml
+++ b/.github/workflows/CW24_lightning_talk.yml
@@ -5,20 +5,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Git repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Compile slide
-        uses: xu-cheng/latex-action@v2
+        uses: xu-cheng/latex-action@v3
         with:
           root_file: cw24.tex
-          latexmk_use_lualatex: true
       - name: Upload slide PDF file
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: cw24
+          name: pdf
           path: cw24.pdf
       - name: Release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')
         with:
-          files: |
-            cw24.pdf
+          files: cw24.pdf