diff --git a/Sources/Units/Units.swift b/Sources/Units/Units.swift
index c0fd3fc..25a3eba 100644
--- a/Sources/Units/Units.swift
+++ b/Sources/Units/Units.swift
@@ -76,7 +76,7 @@ public enum UnitCategory: String, CaseIterable, CustomStringConvertible,
 
 // MARK: - 2. Unit Enum
 public enum Unit: String, CaseIterable, CustomStringConvertible, Codable,
-	Equatable, Identifiable
+	Equatable, Identifiable, Sendable
 {
 	public var id: String { rawValue }  // Conformance for SwiftUI's ForEach
 
@@ -249,7 +249,7 @@ public enum Unit: String, CaseIterable, CustomStringConvertible, Codable,
 // but the internal `value` will be stored as a `Double`.
 public struct UnitValue<ValueType: ConvertibleToDouble>:
 	CustomStringConvertible, Equatable,
-	Comparable, Codable, Identifiable
+	Comparable, Codable, Identifiable, Sendable
 {
 	// Store the value internally as a Double for consistent calculations
 	public let value: Double