diff --git a/.github/workflows/build_jlext.yml b/.github/workflows/build_jlext.yml
index 9f0e720..4874cfe 100644
--- a/.github/workflows/build_jlext.yml
+++ b/.github/workflows/build_jlext.yml
@@ -29,6 +29,7 @@ jobs:
           https://github.com/yarnpkg/yarn/releases/download/v1.22.22/yarn-1.22.22.js
           chmod +x $HOME/bin/yarn
           echo "$HOME/bin" >> $GITHUB_PATH
+          yarn set version stable
 
       - name: Base Setup
         uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1