diff --git a/Gemfile.lock b/Gemfile.lock
index 9f8962b87afd4fdac6bfe342ec4fdac6d9d54491..66455d1d8f62214c7f2f1dfe7cd25e50b9897053 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -499,7 +499,7 @@ GEM
     mustermann-grape (0.4.0)
       mustermann (= 0.4.0)
     mysql2 (0.4.5)
-    net-ldap (0.12.1)
+    net-ldap (0.16.0)
     net-ntp (2.1.3)
     netrc (0.11.0)
     nokogiri (1.6.8.1)