diff --git a/Gemfile.lock b/Gemfile.lock
index 648e17a3..54754063 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -128,7 +128,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (~> 1.2)
       xpath (~> 3.2)
-    chartkick (3.0.1)
+    chartkick (3.4.0)
     climate_control (0.2.0)
     codecov (0.1.13)
       json