diff --git a/libunwind/libunwind.spec b/libunwind/libunwind.spec
index 2ad652c39d..6af5cf56a2 100644
--- a/libunwind/libunwind.spec
+++ b/libunwind/libunwind.spec
@@ -22,8 +22,8 @@
 ##
 
 #   package version
-%define       V_opkg  1.3.1
-%define       V_dist  1.3.1
+%define       V_opkg  1.4.0
+%define       V_dist  1.4.0
 
 #   package information
 Name:         libunwind
@@ -36,7 +36,7 @@ Class:        EVAL
 Group:        Language
 License:      MIT
 Version:      %{V_opkg}
-Release:      20200103
+Release:      20200507
 
 #   list of sources
 Source0:      http://download.savannah.gnu.org/releases/libunwind/libunwind-%{V_dist}.tar.gz