diff --git a/potrace-1.15.tar.gz b/potrace-1.15.tar.gz
deleted file mode 100644
index 1031ee0..0000000
Binary files a/potrace-1.15.tar.gz and /dev/null differ
diff --git a/potrace-1.16.tar.gz b/potrace-1.16.tar.gz
new file mode 100644
index 0000000..2b3cf11
Binary files /dev/null and b/potrace-1.16.tar.gz differ
diff --git a/potrace.spec b/potrace.spec
index fc4463e..5ff3568 100644
--- a/potrace.spec
+++ b/potrace.spec
@@ -1,6 +1,6 @@
 Name:           potrace
-Version:        1.15
-Release:        6
+Version:        1.16
+Release:        1
 Summary:        Utility for Tracing a Bitmap to Scalable Outline Image
 License:        GPLv2+
 URL:            http://potrace.sourceforge.net
@@ -66,6 +66,9 @@ cp -a %{SOURCE2} .
 %{_mandir}/man1/mkbitmap.1.*
 
 %changelog
+* Fri Aug 05 2022 tianlijing <tianlijing@kylinos.cn> - 1.16-1
+- update to 1.16
+
 * Mon May 31 2021 huanghaitao <huanghaitao8@huawei.com> - 1.15-6
 - Completing build dependencies