diff --git a/Gemfile.lock b/Gemfile.lock
index 9aa68f4..db8a519 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
     builder (3.3.0)
     case_transform (0.2)
       activesupport
-    chartkick (5.1.5)
+    chartkick (5.2.0)
     concurrent-ruby (1.3.5)
     connection_pool (2.5.1)
     crass (1.0.6)