diff --git a/tools/aconfig/protos/aconfig.proto b/tools/aconfig/protos/aconfig.proto
index 489939c..9f6424f 100644
--- a/tools/aconfig/protos/aconfig.proto
+++ b/tools/aconfig/protos/aconfig.proto
@@ -36,7 +36,8 @@
 
 message flag_declaration {
   required string name = 1;
-  required string description = 2;
+  required string namespace = 2;
+  required string description = 3;
 };
 
 message flag_declarations {
@@ -67,10 +68,11 @@
 message parsed_flag {
   required string package = 1;
   required string name = 2;
-  required string description = 3;
-  required flag_state state = 4;
-  required flag_permission permission = 5;
-  repeated tracepoint trace = 6;
+  required string namespace = 3;
+  required string description = 4;
+  required flag_state state = 5;
+  required flag_permission permission = 6;
+  repeated tracepoint trace = 7;
 }
 
 message parsed_flags {