diff --git a/Gemfile b/Gemfile
index 87cb547da..d31cea1d1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ group :pam_authentication, optional: true do
   gem 'devise_pam_authenticatable2', '~> 9.2'
 end
 
-gem 'net-ldap', '~> 0.17'
+gem 'net-ldap', '~> 0.18'
 gem 'omniauth-cas', '~> 2.0'
 gem 'omniauth-saml', '~> 1.10'
 gem 'gitlab-omniauth-openid-connect', '~>0.10.0', require: 'omniauth_openid_connect'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4496a4f5d..22b6c221f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -407,7 +407,7 @@ GEM
     msgpack (1.5.4)
     multi_json (1.15.0)
     multipart-post (2.1.1)
-    net-ldap (0.17.1)
+    net-ldap (0.18.0)
     net-scp (4.0.0.rc1)
       net-ssh (>= 2.6.5, < 8.0.0)
     net-ssh (7.0.1)
@@ -793,7 +793,7 @@ DEPENDENCIES
   memory_profiler
   microformats (~> 4.4)
   mime-types (~> 3.4.1)
-  net-ldap (~> 0.17)
+  net-ldap (~> 0.18)
   nokogiri (~> 1.13)
   nsa (~> 0.2)
   oj (~> 3.13)