diff --git a/CuraEngine.spec b/CuraEngine.spec
index 9818ded..03fa636 100644
--- a/CuraEngine.spec
+++ b/CuraEngine.spec
@@ -1,6 +1,6 @@
 Name:           CuraEngine
 Version:        15.04
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Engine for processing 3D models into G-code instructions for 3D printers
 License:        AGPLv3
 URL:            https://github.com/Ultimaker/%{name}
@@ -44,6 +44,9 @@ make test
 %{_bindir}/%{name}
 
 %changelog
+* Sun Sep 18 2016 Miro Hrončok <mhroncok@redhat.com> - 15.04-4
+- Rebuilt for new polyclipping (#1159525)
+
 * Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 15.04-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild