diff --git a/Gemfile.lock b/Gemfile.lock
index 63caf9e..0af4b5d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
       fiber-annotation
       fiber-local (~> 1.1)
       json
-    csv (3.3.3)
+    csv (3.3.5)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)