diff --git a/grace.spec b/grace.spec
index babb4e7..bf43e24 100644
--- a/grace.spec
+++ b/grace.spec
@@ -3,7 +3,7 @@
 
 Name:           grace
 Version:        5.1.22
-Release:        10%{?dist}
+Release:        11%{?dist}
 Summary:        Numerical Data Processing and Visualization Tool
 
 License:        GPLv2+
@@ -227,6 +227,9 @@ fi
 
 
 %changelog
+* Tue Dec 06 2011 Adam Jackson <ajax@redhat.com> - 5.1.22-11
+- Rebuild for new libpng
+
 * Tue Nov  8 2011 José Matos <jamatos@fedoraproject.org> - 5.1.22-10
 - Rebuild for new libpng