diff --git a/mathgl.spec b/mathgl.spec
index 1b71ebf..9f2b5ac 100644
--- a/mathgl.spec
+++ b/mathgl.spec
@@ -20,7 +20,7 @@
 Name:          mathgl
 Version:       2.3.5
 # .1 from Version go to Release as octave fails with 4 digits in ver string
-Release:       3%{?dist}.1
+Release:       4%{?dist}.1
 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
@@ -591,6 +591,9 @@ fi
 %endif
 
 %changelog
+* Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.3.5-4.1
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
+
 * Tue Jan 24 2017 Dmitrij S. Kryzhevich <kryzhev@ispms.ru> - 2.3.5.1-3
 - Reeanle octave bindings for f26 and above.