diff --git a/rosinstall/iri_lidar_people_detection_and_tracking.rosinstall b/rosinstall/iri_lidar_people_detection_and_tracking.rosinstall
index 1a58397088d35100e1af8b117bc8220a24b9bd42..ae1467ef3e89728cfc65ddcc78c6f09f5fe23dee 100644
--- a/rosinstall/iri_lidar_people_detection_and_tracking.rosinstall
+++ b/rosinstall/iri_lidar_people_detection_and_tracking.rosinstall
@@ -3,10 +3,12 @@
 - git:
     local-name: labrobotica/algorithms/iriutils
     uri: ssh://git@gitlab.iri.upc.edu:2202/labrobotica/algorithms/iriutils.git
+    version: ubuntu_18_04
 
 - git:
     local-name: labrobotica/algorithms/laser_people_detection
     uri: ssh://git@gitlab.iri.upc.edu:2202/labrobotica/algorithms/laser_people_detection.git
+    version: ubuntu_18_04
 
 ###perception/
 - git: