diff --git a/Casks/a/amethyst.rb b/Casks/a/amethyst.rb
index bab090bd9f4..d97dad87a56 100644
--- a/Casks/a/amethyst.rb
+++ b/Casks/a/amethyst.rb
@@ -10,8 +10,8 @@ cask "amethyst" do
     end
   end
   on_sierra :or_newer do
-    version "0.19.0"
-    sha256 "2dd31fc92a0fa58e1f3dc0f21853f9c6fe7fb386b55e895e03b9072a1ca46690"
+    version "0.20.0"
+    sha256 "198a2bbe80832ce77fc584ad20691206a179423551dcf1cbdf46ff1e6f829c09"
 
     url "https://github.com/ianyh/Amethyst/releases/download/v#{version}/Amethyst.zip",
         verified: "github.com/ianyh/Amethyst/"