diff --git a/libarcus.spec b/libarcus.spec
index ddcfe06..4c9eb2d 100644
--- a/libarcus.spec
+++ b/libarcus.spec
@@ -1,6 +1,6 @@
 Name:           libarcus
 Version:        3.0.3
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Communication library between internal components for Ultimaker software
 License:        LGPLv3+
 URL:            https://github.com/Ultimaker/libArcus
@@ -87,6 +87,9 @@ make install DESTDIR=%{buildroot}
 %{python3_sitearch}/Arcus.so
 
 %changelog
+* Mon Nov 13 2017 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 3.0.3-2
+- Rebuild for protobuf 3.4
+
 * Fri Oct 20 2017 Charalampos Statakis <cstratak@redhat.com> - 3.0.3-1
 - Update to 3.0.3