diff --git a/Gemfile.lock b/Gemfile.lock
index 50cbde23..58596722 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -633,7 +633,7 @@ GEM
       slop (~> 3.6)
     callsite (0.0.11)
     cancan (1.6.10)
-    chartkick (2.1.1)
+    chartkick (3.4.0)
     chronic (0.10.2)
     climate_control (0.2.0)
     cocaine (0.5.8)