diff --git a/ldap_login.gemspec b/ldap_login.gemspec
index c3c7e7e..d2259cc 100644
--- a/ldap_login.gemspec
+++ b/ldap_login.gemspec
@@ -16,6 +16,6 @@ Gem::Specification.new do |s|
 
   s.files = Dir["{app,config,db,lib}/**/*", "MIT-LICENSE", "Rakefile", "README.rdoc"]
   s.test_files = Dir["test/**/*"]
-
+  s.add_runtime_dependency "savon"
   s.add_development_dependency "sqlite3"
 end