diff --git a/simulator.repos b/simulator.repos
index 30e005c4f0..dd3551eb56 100644
--- a/simulator.repos
+++ b/simulator.repos
@@ -2,4 +2,4 @@ repositories:
   simulator/scenario_simulator:
     type: git
     url: https://github.com/tier4/scenario_simulator_v2.git
-    version: RJD-736/autoware_msgs_support  # TODO(mitsudome-r): switch back to master once this branch is merged
+    version: master