diff --git a/Gemfile.lock b/Gemfile.lock
index 931b7da8..f01fc26e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
       mime-types (>= 1.16)
     carrierwave-postgresql (0.2.0)
       carrierwave (~> 0.10.0)
-    chartkick (3.3.2)
+    chartkick (3.4.0)
     coderay (1.1.3)
     coffee-rails (5.0.0)
       coffee-script (>= 2.2.0)