diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 64797e2..3e49990 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Build the thesis
         run: latexmk thesis && latexmk abstract-cz && latexmk abstract-en
       - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: Thesis
           path: |
@@ -37,6 +37,6 @@ jobs:
       - name: Install nodejs
         run: apt-get update && apt-get install -y nodejs
       - name: Get PDFs
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
       - name: Run VeraPDF
         run: verify Thesis/*.pdf | tee /dev/stderr | grep -qE 'nonCompliant="0" failedJobs="0"'