diff --git a/afflib.spec b/afflib.spec
index d728925..94c626b 100644
--- a/afflib.spec
+++ b/afflib.spec
@@ -1,5 +1,5 @@
 Name:           afflib
-Version:        3.7.19
+Version:        3.7.20
 Release:        1
 Summary:        Library to support the Advanced Forensic Format
 License:        LGPL-2.0 and LGPL-2.1 and GPL-2.0+ and Public Domain
@@ -87,6 +87,9 @@ cd pyaff
 %{python3_sitearch}/pyaff*
 
 %changelog
+* Tue Oct 17 2023 chenyaqiang <chengyaqiang@huawei.com> - 3.7.20-1
+- update to 3.7.20
+
 * Tue Jun 21 2022 yangzhao <yangzhao1@kylinos.cn> - 3.7.19-1
 - Upgrade to version 3.7.19
 
diff --git a/v3.7.19.tar.gz b/v3.7.19.tar.gz
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diff --git a/v3.7.20.tar.gz b/v3.7.20.tar.gz
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