diff --git a/antlr.spec b/antlr.spec
index c6f134d..1d7d80c 100644
--- a/antlr.spec
+++ b/antlr.spec
@@ -4,7 +4,7 @@
 Summary:		ANother Tool for Language Recognition
 Name:			antlr
 Version:		2.7.7
-Release:		12%{?dist}
+Release:		13%{?dist}
 Epoch:			0
 License:		Public Domain
 URL:			http://www.antlr.org/
@@ -38,6 +38,7 @@ parsers].
 Group:				Development/Tools
 Summary:			ANother Tool for Language Recognition
 Provides:			%{name} = %{version}-%{release}
+Obsoletes:			%{name} = %{version}-%{release}
 Requires:			jpackage-utils
 Requires:			java
 BuildArch:			noarch
@@ -165,6 +166,9 @@ rm -rf $RPM_BUILD_ROOT
 %doc %{_javadocdir}/%{name}
 
 %changelog
+* Mon Feb 07 2011 Miloš Jakubíček <xjakub@fi.muni.cz> - 0:2.7.7-13
+- Added missing Obsoletes: antlr on antlr-tool (fix BZ#603466)
+
 * Mon Dec 13 2010 Dan Horák <dan[at]danny.cz> - 0:2.7.7-12
 - sync the architecture list in BR with the mono package