diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9914bbe..9916aa1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -28,7 +28,7 @@ jobs:
               run: |
                   add-apt-repository ppa:borglab/gtsam-release-4.1
                   apt update
-                  apt install libgtsam-dev libgtsam-unstable-dev
+                  apt install -y libgtsam-dev libgtsam-unstable-dev
             - name: Install dependencies
               run: |
                   source /opt/ros/humble/setup.bash