diff --git a/swift/Tests/GildedRoseTests/GildedRoseTests.swift b/swift/Tests/GildedRoseTests/GildedRoseTests.swift
index 6b64062a..45717905 100644
--- a/swift/Tests/GildedRoseTests/GildedRoseTests.swift
+++ b/swift/Tests/GildedRoseTests/GildedRoseTests.swift
@@ -3,7 +3,7 @@ import XCTest
 
 class GildedRoseTests: XCTestCase {
 
-    func testFoo() {
+    func testFoo() throws {
         let items = [Item(name: "foo", sellIn: 0, quality: 0)]
         let app = GildedRose(items: items)
         app.updateQuality()