diff --git a/Gemfile.lock b/Gemfile.lock
index f6f1dc15f..8eb05b916 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    heroku (3.99.3)
+    heroku (3.99.4)
       heroku-api (= 0.4.2)
       launchy (= 2.4.3)
       multi_json (= 1.11.2)
diff --git a/lib/heroku/version.rb b/lib/heroku/version.rb
index 4a4c28f2b..4f558f515 100644
--- a/lib/heroku/version.rb
+++ b/lib/heroku/version.rb
@@ -1,3 +1,3 @@
 module Heroku
-  VERSION = "3.99.3"
+  VERSION = "3.99.4"
 end