diff --git a/Gemfile.lock b/Gemfile.lock
index d16ad75..7690ce5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
       ruby_core_source (>= 0.1.4)
     listen (0.5.1)
     multi_json (1.3.6)
-    net-ldap (0.3.1)
+    net-ldap (0.16.3)
     omniauth (1.1.1)
       hashie (~> 1.2)
       rack