diff --git a/Gemfile.lock b/Gemfile.lock
index 77f73b7..c85475e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
       websocket (~> 1.0)
     rainbow (3.0.0)
     rake (12.3.3)
-    redcarpet (3.4.0)
+    redcarpet (3.5.1)
     retriable (2.1.0)
     rouge (2.0.7)
     sawyer (0.8.1)