diff --git a/play-with-docker/Portus/Gemfile.lock b/play-with-docker/Portus/Gemfile.lock
index cf67c0993..2da36202b 100644
--- a/play-with-docker/Portus/Gemfile.lock
+++ b/play-with-docker/Portus/Gemfile.lock
@@ -185,7 +185,7 @@ GEM
     multipart-post (2.0.0)
     mysql2 (0.3.18)
     nenv (0.3.0)
-    net-ldap (0.11)
+    net-ldap (0.16.2)
     nokogiri (1.6.7.2)
       mini_portile2 (~> 2.0.0.rc2)
     notiffany (0.0.8)