diff --git a/ngspice.spec b/ngspice.spec
index 8b834aa..00082a0 100644
--- a/ngspice.spec
+++ b/ngspice.spec
@@ -20,7 +20,7 @@ Version:           23
 %if %{?devel}
 %define snap      .20111129cvs       
 %endif
-Release:           3%{?snap}%{?dist}
+Release:           4%{?snap}%{?dist}
 Summary:           A mixed level/signal circuit simulator
 
 License:           BSD
@@ -278,6 +278,9 @@ cd tests
 
 
 %changelog
+* Thu Feb 14 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 23-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild
+
 * Fri Jul 20 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 23-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild