diff --git a/Gemfile.lock b/Gemfile.lock
index ab3d3d9..0c03236 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
     diff-lcs (1.1.3)
     hashie (3.4.0)
     method_source (0.8.1)
-    net-ldap (0.11)
+    net-ldap (0.17.1)
     omniauth (1.2.2)
       hashie (>= 1.2, < 4)
       rack (~> 1.0)