diff --git a/simspark.spec b/simspark.spec
index 30852f4..2e73c2d 100644
--- a/simspark.spec
+++ b/simspark.spec
@@ -1,6 +1,6 @@
 Name:           simspark
 Version:        0.2.2
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Spark physical simulation system
 
 Group:          Development/Libraries
@@ -80,6 +80,9 @@ rm -rf %{buildroot}/%{_datadir}/doc
 %doc doc/devel/howtos doc/devel/manual.pdf
 
 %changelog
+* Fri Jul 22 2011 Hedayat Vatankhah <hedayat.fwd+rpmchlog@gmail.com> - 0.2.2-4
+- Rebuild for boost 1.47
+
 * Sat Apr 30 2011 Hedayat Vatankhah <hedayat.fwd+rpmchlog@gmail.com> - 0.2.2-3
 - Added an upstream patch on the log viewer to fix a crash in logviewer
 - Make -devel dependencies arch specific, and also base package dependency