diff --git a/Sources/PlayingCard/PlayingCard.swift b/Sources/PlayingCard/PlayingCard.swift
index 1db5df5..4d86bd4 100644
--- a/Sources/PlayingCard/PlayingCard.swift
+++ b/Sources/PlayingCard/PlayingCard.swift
@@ -8,7 +8,7 @@
  See http://swift.org/CONTRIBUTORS.txt for Swift project authors
 */
 
-public struct PlayingCard: Equatable {
+public struct PlayingCard: Equatable, Hashable {
     public let rank: Rank
     public let suit: Suit