diff --git a/SConstruct b/SConstruct
index 425ce3d761..1209894ba4 100644
--- a/SConstruct
+++ b/SConstruct
@@ -356,22 +356,27 @@ Export('cereal', 'messaging', 'visionipc')
 
 # Build rednose library and ekf models
 
+rednose_deps = [
+  "#selfdrive/locationd/models/constants.py",
+  "#selfdrive/locationd/models/gnss_helpers.py",
+]
+
 rednose_config = {
   'generated_folder': '#selfdrive/locationd/models/generated',
   'to_build': {
-    'gnss': ('#selfdrive/locationd/models/gnss_kf.py', True, []),
-    'live': ('#selfdrive/locationd/models/live_kf.py', True, ['live_kf_constants.h']),
-    'car': ('#selfdrive/locationd/models/car_kf.py', True, []),
+    'gnss': ('#selfdrive/locationd/models/gnss_kf.py', True, [], rednose_deps),
+    'live': ('#selfdrive/locationd/models/live_kf.py', True, ['live_kf_constants.h'], rednose_deps),
+    'car': ('#selfdrive/locationd/models/car_kf.py', True, [], rednose_deps),
   },
 }
 
 if arch != "larch64":
   rednose_config['to_build'].update({
-    'loc_4': ('#selfdrive/locationd/models/loc_kf.py', True, []),
-    'pos_computer_4': ('#rednose/helpers/lst_sq_computer.py', False, []),
-    'pos_computer_5': ('#rednose/helpers/lst_sq_computer.py', False, []),
-    'feature_handler_5': ('#rednose/helpers/feature_handler.py', False, []),
-    'lane': ('#xx/pipeline/lib/ekf/lane_kf.py', True, []),
+    'loc_4': ('#selfdrive/locationd/models/loc_kf.py', True, [], rednose_deps),
+    'pos_computer_4': ('#rednose/helpers/lst_sq_computer.py', False, [], []),
+    'pos_computer_5': ('#rednose/helpers/lst_sq_computer.py', False, [], []),
+    'feature_handler_5': ('#rednose/helpers/feature_handler.py', False, [], []),
+    'lane': ('#xx/pipeline/lib/ekf/lane_kf.py', True, [], rednose_deps),
   })
 
 Export('rednose_config')
diff --git a/rednose_repo b/rednose_repo
index a79a87300a..225dbacbaa 160000
--- a/rednose_repo
+++ b/rednose_repo
@@ -1 +1 @@
-Subproject commit a79a87300a6c5093d99f281307c65b1e99295b20
+Subproject commit 225dbacbaac312f85eaaee0b97a3acc31f9c6b47