diff --git a/libarcus.spec b/libarcus.spec
index 3020bfe..6755abf 100644
--- a/libarcus.spec
+++ b/libarcus.spec
@@ -1,6 +1,6 @@
 Name:           libarcus
 Version:        3.5.1
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Communication library between internal components for Ultimaker software
 License:        LGPLv3+
 URL:            https://github.com/Ultimaker/libArcus
@@ -81,6 +81,9 @@ make install DESTDIR=%{buildroot}
 %{python3_sitearch}/Arcus.so
 
 %changelog
+* Wed Nov 21 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 3.5.1-3
+- Rebuild for protobuf 3.6
+
 * Mon Nov 12 2018 Miro Hrončok <mhroncok@redhat.com>
 - Use PyQt5.sip (#1601917)