diff --git a/devtools/bundled_program/schema/scalar_type.fbs b/devtools/bundled_program/schema/scalar_type.fbs
index fc299ac691..e9c830b972 100644
--- a/devtools/bundled_program/schema/scalar_type.fbs
+++ b/devtools/bundled_program/schema/scalar_type.fbs
@@ -18,13 +18,19 @@ enum ScalarType : byte {
   FLOAT = 6,
   DOUBLE = 7,
   BOOL = 11,
-  // TODO(jakeszwe): Verify these are unused and then remove support
   QINT8 = 12,
   QUINT8 = 13,
   QINT32 = 14,
   QUINT4X2 = 16,
   QUINT2X4 = 17,
   BITS16 = 22,
+  FLOAT8E5M2 = 23,
+  FLOAT8E4M3FN = 24,
+  FLOAT8E5M2FNUZ = 25,
+  FLOAT8E4M3FNUZ = 26,
+  UINT16 = 27,
+  UINT32 = 28,
+  UINT64 = 29,
   // Types currently not implemented.
   // COMPLEXHALF = 8,
   // COMPLEXFLOAT = 9,
diff --git a/devtools/etdump/etdump_flatcc.cpp b/devtools/etdump/etdump_flatcc.cpp
index cfd1d2ae14..f34b28e650 100644
--- a/devtools/etdump/etdump_flatcc.cpp
+++ b/devtools/etdump/etdump_flatcc.cpp
@@ -57,6 +57,8 @@ executorch_flatbuffer_ScalarType_enum_t get_flatbuffer_scalar_type(
       return executorch_flatbuffer_ScalarType_BOOL;
     case exec_aten::ScalarType::Bits16:
       return executorch_flatbuffer_ScalarType_BITS16;
+    case exec_aten::ScalarType::UInt16:
+      return executorch_flatbuffer_ScalarType_UINT16;
     default:
       ET_CHECK_MSG(
           0,
diff --git a/devtools/etdump/scalar_type.fbs b/devtools/etdump/scalar_type.fbs
index fc299ac691..e9c830b972 100644
--- a/devtools/etdump/scalar_type.fbs
+++ b/devtools/etdump/scalar_type.fbs
@@ -18,13 +18,19 @@ enum ScalarType : byte {
   FLOAT = 6,
   DOUBLE = 7,
   BOOL = 11,
-  // TODO(jakeszwe): Verify these are unused and then remove support
   QINT8 = 12,
   QUINT8 = 13,
   QINT32 = 14,
   QUINT4X2 = 16,
   QUINT2X4 = 17,
   BITS16 = 22,
+  FLOAT8E5M2 = 23,
+  FLOAT8E4M3FN = 24,
+  FLOAT8E5M2FNUZ = 25,
+  FLOAT8E4M3FNUZ = 26,
+  UINT16 = 27,
+  UINT32 = 28,
+  UINT64 = 29,
   // Types currently not implemented.
   // COMPLEXHALF = 8,
   // COMPLEXFLOAT = 9,
diff --git a/exir/scalar_type.py b/exir/scalar_type.py
index 5d41038610..4b0a4f412f 100644
--- a/exir/scalar_type.py
+++ b/exir/scalar_type.py
@@ -29,3 +29,10 @@ class ScalarType(IntEnum):
     QUINT4x2 = 16
     QUINT2x4 = 17
     BITS16 = 22
+    FLOAT8E5M2 = 23
+    FLOAT8E4M3FN = 24
+    FLOAT8E5M2FNUZ = 25
+    FLOAT8E4M3FNUZ = 26
+    UINT16 = 27
+    UINT32 = 28
+    UINT64 = 29
diff --git a/exir/tensor.py b/exir/tensor.py
index a40bef4e5e..0c5218bb59 100644
--- a/exir/tensor.py
+++ b/exir/tensor.py
@@ -262,7 +262,7 @@ def memory_format_enum(memory_format: torch.memory_format) -> int:
     torch.qint32: ScalarType.QINT32,
     torch.bfloat16: ScalarType.BFLOAT16,
     torch.quint4x2: ScalarType.QUINT4x2,
-    torch.uint16: ScalarType.BITS16,
+    torch.uint16: ScalarType.UINT16,
 }
 
 
diff --git a/schema/scalar_type.fbs b/schema/scalar_type.fbs
index fc299ac691..e9c830b972 100644
--- a/schema/scalar_type.fbs
+++ b/schema/scalar_type.fbs
@@ -18,13 +18,19 @@ enum ScalarType : byte {
   FLOAT = 6,
   DOUBLE = 7,
   BOOL = 11,
-  // TODO(jakeszwe): Verify these are unused and then remove support
   QINT8 = 12,
   QUINT8 = 13,
   QINT32 = 14,
   QUINT4X2 = 16,
   QUINT2X4 = 17,
   BITS16 = 22,
+  FLOAT8E5M2 = 23,
+  FLOAT8E4M3FN = 24,
+  FLOAT8E5M2FNUZ = 25,
+  FLOAT8E4M3FNUZ = 26,
+  UINT16 = 27,
+  UINT32 = 28,
+  UINT64 = 29,
   // Types currently not implemented.
   // COMPLEXHALF = 8,
   // COMPLEXFLOAT = 9,