diff --git a/workspace.repos b/workspace.repos
index 016250be6..22222f1bb 100644
--- a/workspace.repos
+++ b/workspace.repos
@@ -26,7 +26,7 @@ repositories:
   lib/particle_filter:
     type: git
     url: git@github.com:bit-bots/particle_filter.git
-    version: master
+    version: iron
   lib/ros2_python_extension:
     type: git
     url: git@github.com:bit-bots/ros2_python_extension.git
@@ -42,7 +42,7 @@ repositories:
   lib/bio_ik:
     type: git
     url: git@github.com:bit-bots/bio_ik.git
-    version: ros2
+    version: iron
   lib/hlvs_player:
     type: git
     url: git@github.com:ros-sports/hlvs_player.git