diff --git a/libpng.spec b/libpng.spec
index 3129bbe7c2bd1643c501b378ee00dcb7c3242c71..979464d83177878b7cccfa0158dfed9d6d17adde 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -1,7 +1,7 @@
 Name:           libpng
 Epoch:          2
 Version:        1.6.38
-Release:        1
+Release:        2
 Summary:        A library of functions for manipulating PNG image format files
 License:        zlib
 URL:            http://www.libpng.org/pub/png/libpng.html
@@ -85,10 +85,13 @@ make check
 %{_bindir}/*
 
 %files help
-%doc libpng-manual.txt example.c TODO CHANGES
+%doc libpng-manual.txt TODO CHANGES
 %{_mandir}/man*/*
 
 %changelog
+* Thu Dec 15 2022 zhouwenpei <zhouwenpei1@h-partners.com> - 1.6.38-2
+- remove example.c from help
+
 * Thu Nov 03 2022 zhouwenpei <zhouwenpei1@h-partners.com> - 1.6.38-1
 - update 1.6.38