diff --git a/plugins/ldap/Gemfile b/plugins/ldap/Gemfile
index 727297d..7a7eb4a 100644
--- a/plugins/ldap/Gemfile
+++ b/plugins/ldap/Gemfile
@@ -1 +1,2 @@
 gem "net-ldap"
+gem "magic", ">= 0.2.8"
--
libgit2 0.21.2