diff --git a/source_dependencies.yaml b/source_dependencies.yaml
index 8068e55..8424727 100644
--- a/source_dependencies.yaml
+++ b/source_dependencies.yaml
@@ -16,4 +16,4 @@ repositories:
   move_base_flex:
     type: git
     url: https://github.com/naturerobots/move_base_flex.git
-    version: humble
+    version: ros2