diff --git a/Formula/gdm.rb b/Formula/gdm.rb
index 81ab0e7eff..7f1edcd537 100644
--- a/Formula/gdm.rb
+++ b/Formula/gdm.rb
@@ -3,8 +3,8 @@ require "language/go"
 class Gdm < Formula
   desc "Go Dependency Manager (gdm)"
   homepage "https://github.com/sparrc/gdm"
-  url "https://github.com/sparrc/gdm/archive/v1.1.tar.gz"
-  sha256 "dbe0530f85dc85db100b2a3d6270975247537683b4031c72ed5c377a90e10452"
+  url "https://github.com/sparrc/gdm/archive/1.2.tar.gz"
+  sha256 "7477c98e446295be32b1666b0752dcd9ab4447d2fd9561952f0c589752282d7d"
 
   bottle do
     cellar :any_skip_relocation
@@ -17,7 +17,7 @@ class Gdm < Formula
 
   go_resource "golang.org/x/tools" do
     url "https://go.googlesource.com/tools.git",
-    :revision => "b48dc8da98ae78c3d11f220e7d327304c84e623a"
+    :revision => "608d57b3ae930138a65e85b64edf2ba1b3450b06"
   end
 
   def install