diff --git a/Formula/swiftgen.rb b/Formula/swiftgen.rb
index d61019d207..8ad7915bc3 100644
--- a/Formula/swiftgen.rb
+++ b/Formula/swiftgen.rb
@@ -2,8 +2,8 @@ class Swiftgen < Formula
   desc "Swift code generator for assets, storyboards, Localizable.strings, …"
   homepage "https://github.com/SwiftGen/SwiftGen"
   url "https://github.com/SwiftGen/SwiftGen.git",
-      :tag => "5.1.0",
-      :revision => "71032c4be44d5662601548556fc7d12822eb3a22"
+      :tag => "5.1.1",
+      :revision => "69b3189e291229b9516888dffefd2a52570dc0a0"
   head "https://github.com/SwiftGen/SwiftGen.git"
 
   bottle do