diff --git a/Gemfile.lock b/Gemfile.lock
index 75e1726..b153fb2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
     bigdecimal (4.1.2)
     colorator (1.1.0)
     concurrent-ruby (1.3.8)
-    csv (3.3.5)
+    csv (3.3.6)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)