diff --git a/rubygem-ruby_parser.changes b/rubygem-ruby_parser.changes
index 3424780..d0adfdd 100644
--- a/rubygem-ruby_parser.changes
+++ b/rubygem-ruby_parser.changes
@@ -1,8 +1,12 @@
+-------------------------------------------------------------------
+Sun Jul 15 12:11:04 UTC 2012 - coolo@suse.com
+
+- fix gem requires
+
 -------------------------------------------------------------------
 Mon Apr  9 18:41:31 UTC 2012 - coolo@suse.com
 
 - update to 2.3.1
-  
     * Fixed line numbers at end of special var+whitespace (larsch)
     * Holy crap I was smokin' something good... Fixed 1.9.3 warning
     * Add -g flag to parser compile if DEBUG
diff --git a/rubygem-ruby_parser.spec b/rubygem-ruby_parser.spec
index aac744e..4218b28 100644
--- a/rubygem-ruby_parser.spec
+++ b/rubygem-ruby_parser.spec
@@ -25,8 +25,8 @@ Release:        0
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  rubygems_with_buildroot_patch
 %rubygems_requires
-BuildRequires:  rubygem-sexp_processor >= 3.0
-Requires:       rubygem-sexp_processor >= 3.0
+BuildRequires:  rubygem-sexp_processor-3_0 >= 3.0
+Requires:       rubygem-sexp_processor-3_0 >= 3.0
 #
 Url:            http://parsetree.rubyforge.org/
 Source:         %{mod_name}-%{version}.gem