diff --git a/build_depends.repos b/build_depends.repos
index 0639d358..ceb76596 100644
--- a/build_depends.repos
+++ b/build_depends.repos
@@ -19,6 +19,10 @@ repositories:
     type: git
     url: https://github.com/astuff/astuff_sensor_msgs.git
     version: 3.2.0
+  core/autoware_internal_msgs:
+    type: git
+    url: https://github.com/autowarefoundation/autoware_internal_msgs.git
+    version: main
   core/common:
     type: git
     url: https://github.com/autowarefoundation/autoware_common.git