diff --git a/ignition-transport.spec b/ignition-transport.spec
index e067a8e..bd6fb28 100644
--- a/ignition-transport.spec
+++ b/ignition-transport.spec
@@ -4,7 +4,7 @@
 
 Name:       ignition-transport
 Version:    4.0.0
-Release:    14%{?dist}
+Release:    15%{?dist}
 Summary:    A fast and efficient message passing system
 
 License:    ASL 2.0
@@ -99,6 +99,9 @@ rm -rf %{buildroot}%{_usr}/lib/ruby
 %doc %{_vpath_builddir}/doxygen/html
 
 %changelog
+* Sat Nov 06 2021 Adrian Reber <adrian@lisas.de> - 4.0.0-15
+- Rebuilt for protobuf 3.19.0
+
 * Mon Oct 25 2021 Adrian Reber <adrian@lisas.de> - 4.0.0-14
 - Rebuilt for protobuf 3.18.1