diff --git a/play-with-docker/Portus/Gemfile.lock b/play-with-docker/Portus/Gemfile.lock
index cf67c09..d08b2c6 100644
--- a/play-with-docker/Portus/Gemfile.lock
+++ b/play-with-docker/Portus/Gemfile.lock
@@ -262,7 +262,7 @@ GEM
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
-    redcarpet (3.3.3)
+    redcarpet (3.5.1)
     responders (2.1.0)
       railties (>= 4.2.0, < 5)
     rouge (1.11.1)