diff --git a/Gemfile.lock b/Gemfile.lock
index a71ad56a..04a9a83a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
     chartable (0.0.0.3)
       activesupport (>= 3.0.0)
       chronic (~> 0.10)
-    chartkick (3.3.1)
+    chartkick (3.4.0)
     chronic (0.10.2)
     coderay (1.1.2)
     coffee-rails (4.2.2)