diff --git a/rubygem-http_parser.rb.spec b/rubygem-http_parser.rb.spec
index 354fa01..6a09e2b 100644
--- a/rubygem-http_parser.rb.spec
+++ b/rubygem-http_parser.rb.spec
@@ -13,6 +13,7 @@ Source0:	https://rubygems.org/gems/%{gem_name}-%{version}.gem
 # name. Patch aims to update them to the newer Expectations.
 Patch0:		http_parser.rb-0.6.0-rspec3.patch
 Patch1:		http_parser.rb-0.6.0-usr_bin_ruby.patch
+BuildRequires:  gcc
 BuildRequires:	rubygems-devel 
 BuildRequires:	ruby-devel 
 BuildRequires:	rubygem-rspec