diff --git a/gmsh.spec b/gmsh.spec
index 516df0e..735442b 100644
--- a/gmsh.spec
+++ b/gmsh.spec
@@ -4,7 +4,7 @@
 Name:       gmsh
 Summary:    A three-dimensional finite element mesh generator
 Version:    4.5.6
-Release:    2%{?dist}
+Release:    3%{?dist}
 
 # gmsh is GPLv2+ with exceptions, see LICENSE.txt
 # contrib/{DiscreteIntegration, HighOrderMeshOptimizer, MeshOptimizer, onelab} are MIT, see respective README.txt
@@ -379,6 +379,9 @@ rm -f %{buildroot}%{_defaultdocdir}/%{name}/LICENSE.txt
 
 
 %changelog
+* Fri May 08 2020 Richard Shaw <hobbes1069@gmail.com> - 4.5.6-3
+- Rebuild for unannounced soname bump in libcgns.
+
 * Mon Apr 06 2020 Sandro Mani <manisandro@gmail.com> - 4.5.6-2
 - Unbundle gl2ps (#1821461)