diff --git a/Gemfile.lock b/Gemfile.lock
index 164121d..4fca9a4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -311,7 +311,7 @@ GEM
       actionpack (>= 3.0)
       cells (>= 4.1.6, < 5.0.0)
     charlock_holmes (0.7.6)
-    chartkick (3.2.2)
+    chartkick (3.4.0)
     childprocess (3.0.0)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)