diff --git a/lib/xcode/install.rb b/lib/xcode/install.rb
index 78f25bb..4a6522e 100644
--- a/lib/xcode/install.rb
+++ b/lib/xcode/install.rb
@@ -14,7 +14,7 @@
 require 'fastlane/actions/verify_xcode'
 
 module XcodeInstall
-  CACHE_DIR = Pathname.new("#{ENV['HOME']}/Library/Caches/XcodeInstall")
+  CACHE_DIR = ENV['XCODE_INSTALL_CACHE_DIR'] || Pathname.new("#{ENV['HOME']}/Library/Caches/XcodeInstall")
   class Curl
     COOKIES_PATH = Pathname.new('/tmp/curl-cookies.txt')