diff --git a/wasm-ast/src/node.rs b/wasm-ast/src/node.rs
index 9941f8f..98a85e9 100644
--- a/wasm-ast/src/node.rs
+++ b/wasm-ast/src/node.rs
@@ -155,6 +155,14 @@ pub enum UnOpType {
 	Truncate_I64_F64,
 	Truncate_U64_F32,
 	Truncate_U64_F64,
+	Saturate_I32_F32,
+	Saturate_I32_F64,
+	Saturate_U32_F32,
+	Saturate_U32_F64,
+	Saturate_I64_F32,
+	Saturate_I64_F64,
+	Saturate_U64_F32,
+	Saturate_U64_F64,
 	Extend_I32_N8,
 	Extend_I32_N16,
 	Extend_I64_N8,
@@ -211,6 +219,14 @@ impl UnOpType {
 			Self::Truncate_I64_F64 => ("truncate", "i64_f64"),
 			Self::Truncate_U64_F32 => ("truncate", "u64_f32"),
 			Self::Truncate_U64_F64 => ("truncate", "u64_f64"),
+			Self::Saturate_I32_F32 => ("saturate", "i32_f32"),
+			Self::Saturate_I32_F64 => ("saturate", "i32_f64"),
+			Self::Saturate_U32_F32 => ("saturate", "u32_f32"),
+			Self::Saturate_U32_F64 => ("saturate", "u32_f64"),
+			Self::Saturate_I64_F32 => ("saturate", "i64_f32"),
+			Self::Saturate_I64_F64 => ("saturate", "i64_f64"),
+			Self::Saturate_U64_F32 => ("saturate", "u64_f32"),
+			Self::Saturate_U64_F64 => ("saturate", "u64_f64"),
 			Self::Extend_I32_N8 => ("extend", "i32_n8"),
 			Self::Extend_I32_N16 => ("extend", "i32_n16"),
 			Self::Extend_I64_N8 => ("extend", "i64_n8"),
@@ -270,6 +286,14 @@ impl TryFrom<&Operator<'_>> for UnOpType {
 			Operator::I64TruncF64S => Self::Truncate_I64_F64,
 			Operator::I64TruncF32U => Self::Truncate_U64_F32,
 			Operator::I64TruncF64U => Self::Truncate_U64_F64,
+			Operator::I32TruncSatF32S => Self::Saturate_I32_F32,
+			Operator::I32TruncSatF64S => Self::Saturate_I32_F64,
+			Operator::I32TruncSatF32U => Self::Saturate_U32_F32,
+			Operator::I32TruncSatF64U => Self::Saturate_U32_F64,
+			Operator::I64TruncSatF32S => Self::Saturate_I64_F32,
+			Operator::I64TruncSatF64S => Self::Saturate_I64_F64,
+			Operator::I64TruncSatF32U => Self::Saturate_U64_F32,
+			Operator::I64TruncSatF64U => Self::Saturate_U64_F64,
 			Operator::I32Extend8S => Self::Extend_I32_N8,
 			Operator::I32Extend16S => Self::Extend_I32_N16,
 			Operator::I64Extend8S => Self::Extend_I64_N8,