diff --git a/build_config.rb b/build_config.rb
index d5e7ea9..53f645a 100644
--- a/build_config.rb
+++ b/build_config.rb
@@ -1,5 +1,9 @@
 def gem_config(conf)
   conf.gem File.expand_path(File.dirname(__FILE__))
+
+  conf.gem github: 'eagletmt/mitamae-pacman', checksum_hash: 'v0.2.0'
+  conf.gem github: 'eagletmt/mitamae-secrets', checksum_hash: 'v0.1.1'
+  conf.gem core: "mruby-enum-ext"
 end
 
 def debug_config(conf)