diff --git a/rubygem-nokogiri.spec b/rubygem-nokogiri.spec
index 403ca0b..15b9856 100644
--- a/rubygem-nokogiri.spec
+++ b/rubygem-nokogiri.spec
@@ -50,7 +50,7 @@ BuildRequires:	rubygem(minitest)
 %if 0%{?fedora} >= 17
 BuildRequires:	rubygems-devel
 %endif
-BuildRequires:	ruby(racc)
+#BuildRequires:	ruby(racc)
 ##
 ## Others
 BuildRequires:	libxml2-devel
@@ -125,6 +125,10 @@ rm -rf .%{geminstdir}/ext/java
 pushd ./%{geminstdir}
 sed -i.flags -e 's|-O3||' ext/nokogiri/extconf.rb
 find . -name \*.so -or -name \*.o -exec rm -f {} \;
+# touch
+touch \
+	lib/nokogiri/css/tokenizer.rb \
+	lib/nokogiri/css/parser.rb
 rake -v compile --trace
 
 %install
@@ -292,6 +296,7 @@ popd
 %changelog
 * Tue Jan 24 2012 Mamoru Tasaka <mtasaka@fedoraproject.org> - 1.5.0-2
 - F-17: rebuild for ruby19
+- For now aviod build failure by touching some files
 
 * Thu Jan 18 2012 Mamoru Tasaka <mtasaka@fedoraproject.org> - 1.5.0-1
 - 1.5.0