diff --git a/dsdl/uavcan/nav/500.AttitudeThrustCommand.uavcan b/dsdl/uavcan/nav/540.AttitudeThrustCommand.uavcan
similarity index 100%
rename from dsdl/uavcan/nav/500.AttitudeThrustCommand.uavcan
rename to dsdl/uavcan/nav/540.AttitudeThrustCommand.uavcan
diff --git a/dsdl/uavcan/nav/502.VelocityAttitudeEstimate.uavcan b/dsdl/uavcan/nav/760.VelocityAttitudeEstimate.uavcan
similarity index 100%
rename from dsdl/uavcan/nav/502.VelocityAttitudeEstimate.uavcan
rename to dsdl/uavcan/nav/760.VelocityAttitudeEstimate.uavcan
diff --git a/dsdl/uavcan/nav/501.PoseEstimate.uavcan b/dsdl/uavcan/nav/761.PoseEstimate.uavcan
similarity index 100%
rename from dsdl/uavcan/nav/501.PoseEstimate.uavcan
rename to dsdl/uavcan/nav/761.PoseEstimate.uavcan
diff --git a/dsdl/uavcan/nav/505.PoseCommand.uavcan b/dsdl/uavcan/nav/762.PoseCommand.uavcan
similarity index 100%
rename from dsdl/uavcan/nav/505.PoseCommand.uavcan
rename to dsdl/uavcan/nav/762.PoseCommand.uavcan
diff --git a/dsdl/uavcan/ranges b/dsdl/uavcan/ranges
index bed08cd70f..b44ae3f110 100644
--- a/dsdl/uavcan/ranges
+++ b/dsdl/uavcan/ranges
@@ -1,10 +1,12 @@
 
 256..399 - high priority equipment
 
-500..519 - nav
+540..549 - high priority nav
 
 550..599 - protocol
 
 600..749 - low priority eqipment
 
+760..766 - low priority nav
+
 767 - MAVLink