diff --git a/Gemfile.lock b/Gemfile.lock
index 6095891..d175281 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    chartkick (5.0.4)
+    chartkick (5.0.6)
     concurrent-ruby (1.2.2)
     connection_pool (2.4.1)
     crass (1.0.6)