diff --git a/Gemfile.lock b/Gemfile.lock
index aa7ecc7..51631b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
     mono_logger (1.1.0)
     multi_json (1.9.0)
     mysql2 (0.3.11)
-    net-ldap (0.3.1)
+    net-ldap (0.16.0)
     paperclip (3.4.2)
       activemodel (>= 3.0.0)
       activerecord (>= 3.0.0)