diff --git a/giac.spec b/giac.spec
index 28e6dd3..21e55a4 100644
--- a/giac.spec
+++ b/giac.spec
@@ -11,7 +11,7 @@ ExcludeArch: aarch64 %{power64} s390x
 Name:          giac
 Summary:       Computer Algebra System, Symbolic calculus, Geometry
 Version:       1.2.3
-Release:       1.%{subversion}%{?dist}
+Release:       4.%{subversion}%{?dist}
 # LGPLv3+: src/Fl_GDI_Printer.cxx, src/Flv_List.cc, src/Flv_Table.cc
 # BSD: src/tinymt32*
 License:       GPLv3+
@@ -408,6 +408,9 @@ make -C check check
 %{_datadir}/giac/examples/
 
 %changelog
+* Sun May 14 2017 Peter Robinson <pbrobinson@fedoraproject.org> 1.2.3-4.43
+- Bump Release so upgrade path works
+
 * Fri May 12 2017 Antonio Trande <sagitterATfedoraproject.org> 1.2.3-1.43
 - Update to 1.2.3 sub-43