diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a8c4cad..940adcd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,6 +24,7 @@ jobs:
       uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       with:
           python_version: "3.8"
+          node-version: '14.x'
     - name: Install dependencies
       run: make devenv
     - name: Build the extension
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0783ade..4b0eae9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,6 +24,7 @@ jobs:
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
         with:
           python_version: "3.8"
+          node-version: '14.x'
       - name: Install dependencies
         run: make devenv
       - name: Build and publish