diff --git a/schema/tosa.fbs b/schema/tosa.fbs
index d6d0f22..b3ab991 100644
--- a/schema/tosa.fbs
+++ b/schema/tosa.fbs
@@ -31,6 +31,7 @@
   INT48,
   FLOAT,
   UINT16,
+  FP16,
 }
 
 enum ResizeMode:uint32 {
@@ -168,6 +169,7 @@
   stride: [int32];
   input_zp: int32;
   output_zp: int32;
+  accum_dtype: DType;
 }
 
 table ConvAttribute {
@@ -176,6 +178,7 @@
   dilation: [int32];
   input_zp: int32;
   weight_zp: int32;
+  accum_dtype: DType;
 }
 
 table TransposeConvAttribute {
@@ -184,6 +187,7 @@
   output_shape: [int32];
   input_zp: int32;
   weight_zp: int32;
+  accum_dtype: DType;
 }
 
 table PadAttribute {
@@ -262,11 +266,13 @@
 table MatMulAttribute {
   a_zp: int32;
   b_zp: int32;
+  accum_dtype: DType;
 }
 
 table FullyConnectedAttribute {
   input_zp: int32;
   weight_zp: int32;
+  accum_dtype: DType;
 }
 
 table NegateAttribute {