diff --git a/yast2-ruby-bindings.spec b/yast2-ruby-bindings.spec
index 13f463c..fd88054 100644
--- a/yast2-ruby-bindings.spec
+++ b/yast2-ruby-bindings.spec
@@ -103,6 +103,8 @@ cd -
 %{_libdir}/YaST2/plugin/libpy2lang_ruby.so
 %{_datadir}/ruby/vendor_ruby/yast/*.rb
 %{_datadir}/ruby/vendor_ruby/yast.rb
+%{_datadir}/ruby/vendor_ruby/yast/core_ext/*.rb
+%{_datadir}/ruby/vendor_ruby/yast/rspec/*.rb
 %{_libdir}/ruby/vendor_ruby/yast/*x.so
 %{_libdir}/ruby/vendor_ruby/yastx.so
 %license COPYING