diff --git a/CVE-2020-36430.patch b/CVE-2020-36430.patch
deleted file mode 100644
index 7812f6a..0000000
--- a/CVE-2020-36430.patch
+++ /dev/null
@@ -1,40 +0,0 @@
-From 017137471d0043e0321e377ed8da48e45a3ec632 Mon Sep 17 00:00:00 2001
-From: Oleg Oshmyan <chortos@inbox.lv>
-Date: Tue, 27 Oct 2020 15:46:04 +0200
-Subject: [PATCH] decode_font: fix subtraction broken by change to unsigned
- type
-
-This caused a one-byte buffer overwrite and an assertion failure.
-
-Regression in commit 910211f1c0078e37546f73e95306724358b89be2.
-
-Discovered by OSS-Fuzz.
-
-Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674.
-Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26678.
----
- libass/ass.c | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/libass/ass.c b/libass/ass.c
-index 428a332ff..5be09a7cf 100644
---- a/libass/ass.c
-+++ b/libass/ass.c
-@@ -857,7 +857,7 @@ static int decode_font(ASS_Track *track)
-         ass_msg(track->library, MSGL_ERR, "Bad encoded data size");
-         goto error_decode_font;
-     }
--    buf = malloc(size / 4 * 3 + FFMAX(size % 4 - 1, 0));
-+    buf = malloc(size / 4 * 3 + FFMAX(size % 4, 1) - 1);
-     if (!buf)
-         goto error_decode_font;
-     q = buf;
-@@ -871,7 +871,7 @@ static int decode_font(ASS_Track *track)
-         q = decode_chars(p, q, 3);
-     }
-     dsize = q - buf;
--    assert(dsize == size / 4 * 3 + FFMAX(size % 4 - 1, 0));
-+    assert(dsize == size / 4 * 3 + FFMAX(size % 4, 1) - 1);
- 
-     if (track->library->extract_fonts) {
-         ass_add_font(track->library, track->parser_priv->fontname,
diff --git a/libass-0.15.0.tar.xz b/libass-0.15.0.tar.xz
deleted file mode 100644
index 1ee1518..0000000
Binary files a/libass-0.15.0.tar.xz and /dev/null differ
diff --git a/libass-0.17.1.tar.xz b/libass-0.17.1.tar.xz
new file mode 100644
index 0000000..4b21c5a
Binary files /dev/null and b/libass-0.17.1.tar.xz differ
diff --git a/libass.spec b/libass.spec
index 0240fcf..2377a42 100644
--- a/libass.spec
+++ b/libass.spec
@@ -1,6 +1,6 @@
 Name:           libass
-Version:        0.15.0
-Release:        2
+Version:        0.17.1
+Release:        1
 Summary:        Portable subtitle renderer for the ASS/SSA subtitle format
 License:        ISC
 URL:            https://github.com/libass
@@ -9,8 +9,6 @@ Source0:        https://github.com/libass/libass/releases/download/%{version}/li
 BuildRequires:  gcc nasm pkgconfig(fontconfig) >= 2.10.92 pkgconfig(freetype2) >= 9.10.3
 BuildRequires:  pkgconfig(fribidi) >= 0.19.0 pkgconfig(harfbuzz) >= 0.9.5 pkgconfig(libpng) >= 1.2.0
 
-Patch0:         CVE-2020-36430.patch
-
 %description
 libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) 
 subtitle format. It is mostly compatible with VSFilter.
@@ -44,11 +42,11 @@ make check
 %files
 %defattr(-,root,root)
 %license COPYING
-%{_libdir}/*.so.*
+%{_libdir}/*.so.9*
 
 %files devel
 %defattr(-,root,root)
-%{_includedir}/*
+%{_includedir}/ass
 %{_libdir}/*.so
 %{_libdir}/pkgconfig/libass.pc
 
@@ -57,6 +55,9 @@ make check
 %doc Changelog
 
 %changelog
+* Fri Apr 28 2023 liyanan <thistleslyn@163.com> - 0.17.1-1
+- Update to 0.17.1
+
 * Thu Jul 29 2021 houyingchao <houyingchao@huawei.com> - 0.15.0-2
 - Fix CVE-2020-36430