diff --git a/.github/workflows/build_docs.yml b/.github/workflows/build_docs.yml
index cbbeb76..8295242 100644
--- a/.github/workflows/build_docs.yml
+++ b/.github/workflows/build_docs.yml
@@ -91,7 +91,7 @@ jobs:
         run: cp ${{ env.RELEASE_VERSION }}/README.html docs/index.html
 
       - name: Upload README.html as an artifact
-        uses: actions/upload-artifact@master
+        uses: actions/upload-artifact@v5
         with:
           name: README.html
           path: ${{ env.RELEASE_VERSION }}/README.html
diff --git a/.github/workflows/test_converting_readme.yml b/.github/workflows/test_converting_readme.yml
index ed3dcc9..7810e4c 100644
--- a/.github/workflows/test_converting_readme.yml
+++ b/.github/workflows/test_converting_readme.yml
@@ -40,7 +40,7 @@ jobs:
             --output README.html README.md
 
       - name: Upload README.html as an artifact
-        uses: actions/upload-artifact@master
+        uses: actions/upload-artifact@v5
         with:
           name: README.html
           path: README.html