diff --git a/hugin.spec b/hugin.spec
index 9d64988..adc2ce2 100644
--- a/hugin.spec
+++ b/hugin.spec
@@ -1,7 +1,7 @@
 Summary: A panoramic photo stitcher and more
 Name: hugin
 Version: 2020.0.0
-Release: 11%{?dist}
+Release: 12%{?dist}
 License: GPLv2+
 Source: http://downloads.sourceforge.net/hugin/%{name}-%{version}.tar.bz2
 # As of OpenEXR 3 upstream has significantly reorganized the libraries
@@ -211,6 +211,9 @@ EOF
 %{_mandir}/man1/hugin_lensdb.*
 
 %changelog
+* Sat Aug 21 2021 Richard Shaw <hobbes1069@gmail.com> - 2020.0.0-12
+- Rebuild for OpenEXR/Imath 3.1.
+
 * Tue Aug 10 2021 Richard Shaw <hobbes1069@gmail.com> - 2020.0.0-11
 - Rebuild for OpenEXR 3.