diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 26ae04e..d983cd4 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -70,7 +70,7 @@ jobs:
         working-directory: docs
         run: tar --exclude .DS_Store --exclude sidebars.js -cvf documentation.tar *
       - name: upload the documentation artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: documentation
           path: docs/documentation.tar
diff --git a/.github/workflows/publish_documentation.yml b/.github/workflows/publish_documentation.yml
index 6f24839..951a3d8 100644
--- a/.github/workflows/publish_documentation.yml
+++ b/.github/workflows/publish_documentation.yml
@@ -57,7 +57,7 @@ jobs:
         working-directory: docs
         run: tar --exclude .DS_Store --exclude sidebars.js -cvf documentation.tar *
       - name: upload the documentation artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: documentation
           path: docs/documentation.tar