diff --git a/Gemfile.lock b/Gemfile.lock
index 460f1f5..748109d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.13.0)
     multi_json (1.10.1)
-    net-ldap (0.10.1)
+    net-ldap (0.16.0)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     pg (0.18.1)