diff --git a/CTL.spec b/CTL.spec
index c67e03b..ebf05ef 100644
--- a/CTL.spec
+++ b/CTL.spec
@@ -1,6 +1,6 @@
 Name:           CTL
 Version:        1.4.1
-Release:        22%{?dist}
+Release:        23%{?dist}
 Summary:        The Color Transformation Language
 
 Group:          System Environment/Libraries
@@ -101,6 +101,9 @@ rm -rf $RPM_BUILD_ROOT
 %doc doc/CtlManual.pdf doc/CtlManual.doc
 
 %changelog
+* Sat May 02 2015 Kalev Lember <kalevlember@gmail.com> - 1.4.1-23
+- Rebuilt for GCC 5 C++11 ABI change
+
 * Tue Nov 25 2014 Rex Dieter <rdieter@fedoraproject.org> 1.4.1-22
 - rebuild (ilmbase)