diff --git a/y2020/control_loops/drivetrain/BUILD b/y2020/control_loops/drivetrain/BUILD
index 5e859ab..0070156 100644
--- a/y2020/control_loops/drivetrain/BUILD
+++ b/y2020/control_loops/drivetrain/BUILD
@@ -8,8 +8,10 @@
     outs = [
         "drivetrain_dog_motor_plant.h",
         "drivetrain_dog_motor_plant.cc",
+        "drivetrain_dog_motor_plant.json",
         "kalman_drivetrain_motor_plant.h",
         "kalman_drivetrain_motor_plant.cc",
+        "kalman_drivetrain_motor_plant.json",
     ],
     cmd = "$(location //y2020/control_loops/python:drivetrain) $(OUTS)",
     target_compatible_with = ["@platforms//os:linux"],
@@ -23,10 +25,13 @@
     outs = [
         "polydrivetrain_dog_motor_plant.h",
         "polydrivetrain_dog_motor_plant.cc",
+        "polydrivetrain_dog_motor_plant.json",
         "polydrivetrain_cim_plant.h",
         "polydrivetrain_cim_plant.cc",
+        "polydrivetrain_cim_plant.json",
         "hybrid_velocity_drivetrain.h",
         "hybrid_velocity_drivetrain.cc",
+        "hybrid_velocity_drivetrain.json",
     ],
     cmd = "$(location //y2020/control_loops/python:polydrivetrain) $(OUTS)",
     target_compatible_with = ["@platforms//os:linux"],