diff --git a/Casks/r/retrobatch.rb b/Casks/r/retrobatch.rb
index 9206d44735..3f45e00748 100644
--- a/Casks/r/retrobatch.rb
+++ b/Casks/r/retrobatch.rb
@@ -1,6 +1,6 @@
 cask "retrobatch" do
-  version "2.0.2"
-  sha256 "336144b334af5e4a80286c4261d0e65382664b37d94a3088086c26695a5c075e"
+  version "2.0.3"
+  sha256 "2acb6b4728f6457aee94ef0b968d77ed1cd4dde542b2aa789c475d026a7a8e32"
 
   url "https://flyingmeat.com/download/Retrobatch-#{version}.zip"
   name "Retrobatch"
@@ -16,4 +16,13 @@ cask "retrobatch" do
   depends_on macos: ">= :sierra"
 
   app "Retrobatch.app"
+
+  zap trash: [
+    "Library/Application Support/Retrobatch",
+    "Library/Application Support/com.apple.sharedfilelist/com.apple.LSSharedFileList.ApplicationRecentDocuments/" \
+    "com.flyingmeat.retrobatch.sfl*",
+    "Library/HTTPStorages/com.flyingmeat.Retrobatch",
+    "Library/Saved Application State/com.flyingmeat.Retrobatch.savedState",
+    "Library/Preferences/com.flyingmeat.Retrobatch.plist",
+  ]
 end