diff --git a/therubyrhino.gemspec b/therubyrhino.gemspec
index 4a9b70d..2f72671 100644
--- a/therubyrhino.gemspec
+++ b/therubyrhino.gemspec
@@ -16,4 +16,5 @@ Gem::Specification.new do |s|
   s.summary = %q{Embed the Rhino JavaScript interpreter into JRuby}
 
   s.add_development_dependency "rspec"
+  s.add_development_dependency "jruby-openssl"
 end