diff --git a/nkuht_donate.gemspec b/nkuht_donate.gemspec
index 66aec04..874fce1 100644
--- a/nkuht_donate.gemspec
+++ b/nkuht_donate.gemspec
@@ -21,4 +21,6 @@ Gem::Specification.new do |s|
   s.add_dependency "chunky_png"
   s.add_dependency "barby-chunky_png"
   s.add_dependency "pack"
+  s.add_dependency 'dynamic_form'
+  s.add_dependency 'simple_captcha2'
 end