diff --git a/.travis.yml b/.travis.yml
index 675ad67..d83b30f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,12 +8,16 @@ env:
       VERSION_SPECIFIC_CATALOG="http://download.racket-lang.org/releases/6.1.1/catalog/"
     - RACKET_VERSION=6.2
       VERSION_SPECIFIC_CATALOG="http://download.racket-lang.org/releases/6.2/catalog/"
+    - RACKET_VERSION=6.2.1
+      VERSION_SPECIFIC_CATALOG="http://download.racket-lang.org/releases/6.2.1/catalog/"
+    - RACKET_VERSION=6.3
+      VERSION_SPECIFIC_CATALOG="http://download.racket-lang.org/releases/6.3/catalog/"
     - RACKET_VERSION=HEAD
-      VERSION_SPECIFIC_CATALOG="http://download.racket-lang.org/releases/6.2/catalog/"
+      VERSION_SPECIFIC_CATALOG="http://download.racket-lang.org/releases/6.3/catalog/"
 matrix:
   allow_failures:
     - env: RACKET_VERSION=HEAD
-           VERSION_SPECIFIC_CATALOG="http://download.racket-lang.org/releases/6.2/catalog/"
+           VERSION_SPECIFIC_CATALOG="http://download.racket-lang.org/releases/6.3/catalog/"
 
 before_install:
   - git clone https://github.com/greghendershott/travis-racket.git ../travis-racket
diff --git a/LICENSE b/LICENSE
index 127776b..80c37c0 100644
--- a/LICENSE
+++ b/LICENSE
@@ -2,6 +2,7 @@ The MIT License (MIT)
 
 Copyright (c) 2015 Jack Firth
 Modified work Copyright 2015 Alex Knauth
+Modified work Copyright 2015 Google Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal