diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 7ca0eb7..a0b3481 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -30,6 +30,8 @@ jobs:
           path: ${{ steps.yarn-cache-dir.outputs.YARN_CACHE_DIR }}
           key: yarn-cache-${{ runner.os }}-${{ steps.yarn-version.outputs.YARN_VERSION }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install
+      - run: cd ./packages/snapper && yarn install
+      - run: cd ./packages/ui && yarn install 
       - run: yarn build
       - run: yarn test
   #    - name: Require clean working directory