diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b5059d7..4bbecdb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
 
     microros_agent_ci:
         runs-on: ubuntu-20.04
-        container: microros/base:rolling
+        container: microros/base:galactic
 
         steps:
         - uses: actions/checkout@v2