diff --git a/Gemfile b/Gemfile
index d817be22..03dd7e42 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,7 +26,7 @@ group :test do
 end
 
 group :ldap do
-  gem "net-ldap", '~> 0.2.2'
+  gem "net-ldap", '~> 0.3.1'
 end
 
 group :openid do