diff --git a/.github/workflows/build_highlightjs.yml b/.github/workflows/build_highlightjs.yml
index 3ba825a..aa655da 100644
--- a/.github/workflows/build_highlightjs.yml
+++ b/.github/workflows/build_highlightjs.yml
@@ -47,13 +47,13 @@ jobs:
           ls -Alh
 
       - name: Upload Flix CDN distributable
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: flix.cdn.dist
           path: extra/flix/dist
 
       - name: Upload minimal Highlight.js with Flix bundled
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: highlight.min.js
           path: build/browser/highlight.min.js