diff --git a/hubspot-api-client.gemspec b/hubspot-api-client.gemspec
index 4976faad..cf1c0538 100644
--- a/hubspot-api-client.gemspec
+++ b/hubspot-api-client.gemspec
@@ -2,20 +2,21 @@ $:.push File.expand_path("../lib", __FILE__)
 require "hubspot/version"
 
 Gem::Specification.new do |s|
-  s.name        = "hubspot-api-client"
+  s.name        = "hubspot-api-client-patched-pn"
   s.version     = Hubspot::VERSION
   s.platform    = Gem::Platform::RUBY
-  s.authors     = ["HubSpot"]
+  s.authors     = ["primeNumber"]
   s.email       = [""]
-  s.homepage    = "https://github.com/HubSpot/hubspot-api-ruby"
+  s.homepage    = "https://github.com/primenumber-dev/hubspot-api-ruby"
   s.summary     = "HubSpot Ruby API Gem"
   s.description = "HubSpot Ruby API client"
   s.license     = "Unlicense"
   s.required_ruby_version = ">= 1.9"
 
   s.add_runtime_dependency 'typhoeus', '~> 1.4.0'
-  s.add_runtime_dependency 'json', '~> 2.1', '>= 2.1.0'
+  s.add_runtime_dependency 'json', '>= 2.1', '< 2.7'
   s.add_runtime_dependency 'require_all', '~> 3.0.0'
+  s.add_runtime_dependency 'ffi', '~> 1.15.0'
 
   s.add_development_dependency 'rspec', '~> 3.6', '>= 3.6.0'
   s.add_development_dependency 'vcr', '~> 3.0', '>= 3.0.1'
diff --git a/lib/hubspot-api-client.rb b/lib/hubspot-api-client.rb
index fb124a31..cc5bee0d 100644
--- a/lib/hubspot-api-client.rb
+++ b/lib/hubspot-api-client.rb
@@ -45,3 +45,5 @@ def configure
     end
   end
 end
+
+require_relative 'hubspot_patches/skip_hapikey'
diff --git a/lib/hubspot/version.rb b/lib/hubspot/version.rb
index d3ee3a7b..4774ffcf 100644
--- a/lib/hubspot/version.rb
+++ b/lib/hubspot/version.rb
@@ -1,3 +1,3 @@
  module Hubspot
-  VERSION = '9.5.1'
- end
\ No newline at end of file
+  VERSION = '9.5.1.trocco.0.0.10'
+ end
diff --git a/lib/hubspot_patches/skip_hapikey.rb b/lib/hubspot_patches/skip_hapikey.rb
new file mode 100644
index 00000000..8ecb93b7
--- /dev/null
+++ b/lib/hubspot_patches/skip_hapikey.rb
@@ -0,0 +1,22 @@
+module Hubspot
+  module SkipHapikeyPatch # :nodoc:
+    def update_params_for_auth!(header, query, auth_names)
+      filtered = Array(auth_names).reject do |name|
+        name == 'hapikey' &&
+          (@config.access_token.to_s.strip != '' ||
+            @config.api_key['hapikey'].to_s.strip.empty?)
+      end
+      super(header, query, filtered)
+    end
+  end
+
+  # CRM 配下にある全ての ApiClient に prepend
+  module Crm
+    constants.each do |sub|
+      mod = const_get(sub)
+      next unless mod.const_defined?(:ApiClient)
+
+      mod::ApiClient.prepend SkipHapikeyPatch
+    end
+  end
+end