diff --git a/protobuf_definitions/telemetry.proto b/protobuf_definitions/telemetry.proto
index 0b8ab3ff..05183dc1 100644
--- a/protobuf_definitions/telemetry.proto
+++ b/protobuf_definitions/telemetry.proto
@@ -263,6 +263,16 @@ message Imu2Tel {
   Imu imu = 1; // Raw IMU data.
 }
 
+// Raw IMU data from High Precision IMU
+message ImuHpTel {
+  Imu imu = 1; // Raw High Precision IMU data (no magnetometer)
+}
+
+// Calibrated High Precision IMU data
+message CalibratedImuHpTel {
+  Imu imu = 1; // Calibrated High Precision IMU (no magnetometer)
+}
+
 // Medusa gamma ray sensor spectrometer data.
 message MedusaSpectrometerDataTel {
   MedusaSpectrometerData data = 1; // Medusa gamma ray sensor spectrometer data.