diff --git a/grpc.changes b/grpc.changes
index d54fadd..22de33e 100644
--- a/grpc.changes
+++ b/grpc.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Nov 11 13:26:47 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
+
+- Add missing ldconfig for libupb13.
+
 -------------------------------------------------------------------
 Wed Oct 28 08:17:46 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/grpc.spec b/grpc.spec
index 8b9b181..6a0fb87 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -179,6 +179,8 @@ cp -r * "%buildroot/%src_install_dir"
 %postun -n libgrpc++%lverp -p /sbin/ldconfig
 %post   -n libgrpc_plugin_support%lverplugin -p /sbin/ldconfig
 %postun -n libgrpc_plugin_support%lverplugin -p /sbin/ldconfig
+%post   -n libupb13 -p /sbin/ldconfig
+%postun -n libupb13 -p /sbin/ldconfig
 
 %files -n libgrpc%lver
 %_libdir/libaddress_sorting.so.%{lver}*