diff --git a/Gemfile b/Gemfile
index 5f945da99..9022b72ef 100644
--- a/Gemfile
+++ b/Gemfile
@@ -25,7 +25,7 @@ gem "rbpdf", "~> 1.19.3"
 
 # Optional gem for LDAP authentication
 group :ldap do
-  gem "net-ldap", "~> 0.16.0"
+  gem "net-ldap", "~> 0.16.1"
 end
 
 # Optional gem for OpenID authentication
diff --git a/Gemfile.lock b/Gemfile.lock
index f7f9d7136..bcb73e70a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
     minitest (5.10.3)
     mocha (1.3.0)
       metaclass (~> 0.0.1)
-    net-ldap (0.16.0)
+    net-ldap (0.16.1)
     nio4r (2.1.0)
     nokogiri (1.8.1)
       mini_portile2 (~> 2.3.0)
@@ -184,7 +184,7 @@ DEPENDENCIES
   mime-types (~> 3.0)
   mimemagic
   mocha
-  net-ldap (~> 0.16.0)
+  net-ldap (~> 0.16.1)
   nokogiri (~> 1.8.0)
   platform_sh_rails (= 0.1.7)
   puma (~> 3.11)