diff --git a/mathgl.spec b/mathgl.spec
index 9678df5..a8d94f0 100644
--- a/mathgl.spec
+++ b/mathgl.spec
@@ -19,7 +19,7 @@
 
 Name:          mathgl
 Version:       2.3.4
-Release:       1%{?dist}
+Release:       2%{?dist}
 Summary:       Cross-platform library for making high-quality scientific graphics
 Summary(de):   Plattformübergreifende Bibliothek für hochwertige wissenschaftliche Graphiken
 Summary(ru):   Библиотека для осуществления высококачественной визуализации данных
@@ -584,6 +584,9 @@ fi
 %endif
 
 %changelog
+* Mon Feb 22 2016 Orion Poplawski <orion@cora.nwra.com> - 2.3.4-2
+- Rebuild for gsl 2.1
+
 * Mon Feb 15 2016 Dmitrij S. Kryzhevich <kryzhev@ispms.ru> - 2.3.4-1
 - Drop patches: mathgl-2.3.3-includes.patch, mathgl-2.3.3-signed_char.patch,
   mathgl-2.3.3-gsl2.patch. Emplemented in upstream.