diff --git a/connection.capnp b/connection.capnp
index 1bb125c..cf7758b 100644
--- a/connection.capnp
+++ b/connection.capnp
@@ -11,9 +11,9 @@ using MachineSystem = import "machinesystem.capnp".MachineSystem;
 using UserSystem = import "usersystem.capnp".UserSystem;
 using PermissionSystem = import "permissionsystem.capnp".PermissionSystem;
 
-const api_version_major :Int32  = 0;
-const api_version_minor :Int32  = 3;
-const api_version_patch :Int32  = 0;
+const API_VERSION_MAJOR :Int32  = 0;
+const API_VERSION_MINOR :Int32  = 3;
+const API_VERSION_PATCH :Int32  = 0;
 
 struct Version
 {