diff --git a/libunwind.spec b/libunwind.spec
index 355bb3ac97c4995b2d61f8841634c8b103621c06..0885a7986107ed3563c69ddfe05f27abc5a342ca 100644
--- a/libunwind.spec
+++ b/libunwind.spec
@@ -1,6 +1,7 @@
 Name: libunwind
+Epoch: 2
 Version: 1.6.2
-Release: 1
+Release: 2
 Summary: Libunwind provides a C ABI to determine the call-chain of a program
 License: BSD
 URL: http://savannah.nongnu.org/projects/libunwind
@@ -19,7 +20,7 @@ supports both local (same-process) and remote (across-process) operation.
 
 %package devel
 Summary: Development files for libunwind
-Requires: libunwind = %{version}-%{release}
+Requires: libunwind = %{epoch}:%{version}-%{release}
 
 %description devel
 This package contains development files for libunwind.
@@ -83,6 +84,12 @@ make check || true
 %{_mandir}/*/*
 
 %changelog
+* Tue Apr 26 2022 renhongxun <renhongxun@h-partners.com>-2:1.6.2-2
+- Type:update
+- ID:NA
+- SUG:NA
+- DESC:add epoch
+
 * Mon Jan 24 2022 mc964203886 <machi@iscas.ac.cn>-1.6.2-1
 - Type:
 - ID:NA