diff --git a/strace.spec b/strace.spec
index 4e806d7..51333ab 100644
--- a/strace.spec
+++ b/strace.spec
@@ -1,7 +1,7 @@
 Summary: Tracks and displays system calls associated with a running process
 Name: strace
-Version: 4.5.20
-Release: 2%{?dist}
+Version: 4.6
+Release: 1%{?dist}
 License: BSD
 Group: Development/Debuggers
 URL: http://sourceforge.net/projects/strace/
@@ -85,6 +85,10 @@
 %endif
 
 %changelog
+* Mon Mar 14 2011 Dmitry V. Levin <ldv@altlinux.org> - 4.6-1
+- New upstream release.
+  + fixed a corner case in waitpid handling (#663547).
+
 * Wed Feb 09 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 4.5.20-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild