diff --git a/schema/tosa.fbs b/schema/tosa.fbs
index 028765d..79b83b1 100644
--- a/schema/tosa.fbs
+++ b/schema/tosa.fbs
@@ -170,6 +170,7 @@
   input_zp: int32;
   weight_zp: int32;
   local_bound: bool;
+  acc_type: DType;
 }
 
 table TransposeConvAttribute {
@@ -179,6 +180,7 @@
   input_zp: int32;
   weight_zp: int32;
   local_bound: bool;
+  acc_type: DType;
 }
 
 table PadAttribute {