diff --git a/Gemfile.lock b/Gemfile.lock
index 20a1d15..1cd85f6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
     eventmachine (1.0.3)
     excon (0.32.0)
     gli (2.9.0)
-    heroku (3.3.0)
+    heroku (3.4.1)
       heroku-api (~> 0.3.17)
       launchy (>= 0.3.2)
       netrc (~> 0.7.7)