diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 070e2ce..cf36569 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: Build package
       run: |
-        source /opt/ros/noetic/setup.bash
+        bash -c 'source /opt/ros/noetic/setup.bash'
         mkdir -p ~/catkin_ws/src
         cd ~/catkin_ws/src
         ln -s $GITHUB_WORKSPACE .