diff --git a/.github/workflows/ex-rtd.yml b/.github/workflows/ex-rtd.yml
index b7268fd1..84f828cd 100644
--- a/.github/workflows/ex-rtd.yml
+++ b/.github/workflows/ex-rtd.yml
@@ -104,7 +104,7 @@ jobs:
         run: ls -R .doc/_notebooks/
 
       - name: Upload completed jupyter notebooks as an artifact for ReadtheDocs
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: rtd-files-for-${{ github.sha }}
           path: |
diff --git a/.github/workflows/ex-workflow.yml b/.github/workflows/ex-workflow.yml
index a8539ffe..74db5090 100644
--- a/.github/workflows/ex-workflow.yml
+++ b/.github/workflows/ex-workflow.yml
@@ -74,7 +74,7 @@ jobs:
         shell: python
 
       - name: Upload build artifacts for current release
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: zip_files
           path: |
@@ -190,7 +190,7 @@ jobs:
 
       - name: Upload build artifacts for current release
         if: matrix.python == '3.9'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: current
           path: |