diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 0eac1c2..a880407 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install twine wheel jupyter-packaging jupyterlab
+          pip install twine wheel jupyter-packaging "jupyterlab<4"
 
       - name: Build
         run: |