diff --git a/Gemfile b/Gemfile
index 4364aba..7b911d2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -108,5 +108,8 @@ else
 
 end
 
+gem 'pry', '~> 0.14.2'
+gem 'pry-byebug', '~> 3.10'
+
 # leave this line in for now as we may try to get nokogiri to compile correctly on windows
 # gem 'nokogiri', '= 1.11.0.rc1.20200331222433', :github => 'jmarrec/nokogiri', :ref => 'MSVC_support' # master of 2020-03-31 + gemspec commit
diff --git a/build_openstudio_gems.rb b/build_openstudio_gems.rb
index 1ee56d2..1cfbf83 100644
--- a/build_openstudio_gems.rb
+++ b/build_openstudio_gems.rb
@@ -136,7 +136,7 @@ def make_package(install_dir, tar_exe, expected_ruby_version, bundler_version)
   lib_ext = RbConfig::CONFIG['LIBEXT']
   libs = Dir.glob("./openstudio-gems/**/*.#{lib_ext}")
   lib_names_woext = Set.new(libs.map{|lib| File.basename(lib, File.extname(lib)) })
-  expected = Set.new(["jaro_winkler_ext", "libll", "liboga", "msgpack"]) # unf_ext: disabled with json_schemer
+  expected = Set.new(["jaro_winkler_ext", "libll", "liboga", "msgpack", "byebug"]) # unf_ext: disabled with json_schemer
   if !is_unix
     expected.add("sqlite3_native") # TODO: I don't understand why we don't have it yet...
   end
diff --git a/lib/rubygems_plugin.rb b/lib/rubygems_plugin.rb
index 8cc4063..ff11912 100644
--- a/lib/rubygems_plugin.rb
+++ b/lib/rubygems_plugin.rb
@@ -89,7 +89,7 @@ def post_install
         elsif extname.to_s == "sqlite3"
           extname = "sqlite3_native"
           extconf_args = ["--enable-system-libraries", "--with-pkg-config=pkgconf"]
-        elsif extname.to_s == 'unfext'
+        elsif ['unfext', 'byebug'].include?(extname.to_s)
           # No-op
         else
           puts "Warning: rubygems_plugin.post_install: no configuration given for extension_dir=#{extension_dir}"