diff --git a/Gemfile.lock b/Gemfile.lock
index ba1be7eb..296eb96c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
       fastimage
     case_transform (0.2)
       activesupport
-    chartkick (3.4.0)
+    chartkick (3.4.2)
     childprocess (3.0.0)
     chronic (0.10.2)
     chunky_png (1.3.11)