diff --git a/Gemfile b/Gemfile
index 73edb2a6acf285..f7435163297305 100644
--- a/Gemfile
+++ b/Gemfile
@@ -38,7 +38,7 @@ group :pam_authentication, optional: true do
   gem 'devise_pam_authenticatable2', '~> 9.2'
 end
 
-gem 'net-ldap', '~> 0.10'
+gem 'net-ldap', '~> 0.17'
 gem 'omniauth-cas', '~> 1.1'
 gem 'omniauth-saml', '~> 1.10'
 gem 'omniauth', '~> 1.9'
diff --git a/Gemfile.lock b/Gemfile.lock
index b8cdbd15160d19..24f9e8230700da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -367,7 +367,9 @@ GEM
     mime-types (3.3)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0904)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -375,7 +377,7 @@ GEM
     multi_json (1.13.1)
     multipart-post (2.0.0)
     necromancer (0.5.0)
-    net-ldap (0.16.1)
+    net-ldap (0.17.1)
     net-scp (2.0.0)
       net-ssh (>= 2.6.5, < 6.0.0)
     net-ssh (5.2.0)
@@ -730,7 +732,7 @@ DEPENDENCIES
   memory_profiler
   microformats (~> 4.1)
   mime-types (~> 3.3)
-  net-ldap (~> 0.10)
+  net-ldap (~> 0.17)
   nilsimsa!
   nokogiri (~> 1.10)
   nsa (~> 0.2)