diff --git a/plugins/ldap/install.rb b/plugins/ldap/install.rb
index ec00696..4adb9f8 100644
--- a/plugins/ldap/install.rb
+++ b/plugins/ldap/install.rb
@@ -1,4 +1,9 @@
-system "gem install --user-install net-ldap -v 0.3.1"
+begin
+  gem "net-ldap", '=0.3.1'
+rescue Gem::LoadError => exception
+  system "gem install --user-install net-ldap -v 0.3.1"
+end
+
 puts "\nWARNING: This plugin is not setting up a ldap test server automatically.
 Some tests may not be running. If you want to fully test this plugin, please
 setup the ldap test server and make the proper configurations on
--
libgit2 0.21.2