diff --git a/dolfin.spec b/dolfin.spec
index 2a32d4b..fa1a75c 100644
--- a/dolfin.spec
+++ b/dolfin.spec
@@ -2,7 +2,7 @@
 Name:		dolfin
 Version:	2019.1.0.post0
 %global fenics_version 2019.1
-Release:        15%{?dist}
+Release:        16%{?dist}
 Summary:        FEniCS computational backend and problem solving environment
 
 License:        LGPLv3+
@@ -165,6 +165,9 @@ ctest -V %{?_smp_mflags}
 %{python3_sitearch}/fenics_dolfin-%{fenics_version}*-py%{python3_version}.egg-info/
 
 %changelog
+* Wed May 05 2021 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2019.1.0.post0-16
+- Rebuild (petsc)
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2019.1.0.post0-15
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild