diff --git a/htslib-1.10.2.tar.gz b/htslib-1.10.2.tar.gz
deleted file mode 100644
index 1e5e428d26d63138d881b05f71e6ffa12168a9dd..0000000000000000000000000000000000000000
Binary files a/htslib-1.10.2.tar.gz and /dev/null differ
diff --git a/htslib-1.11.tar.gz b/htslib-1.11.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..b3de40954167969a733ea97424b977bcc1a2507a
Binary files /dev/null and b/htslib-1.11.tar.gz differ
diff --git a/htslib.spec b/htslib.spec
index 1225c84227c2a2aa27eb3eb98e48669272c5544a..de5e96573eb9644beee02632ba816bca09a86eb6 100644
--- a/htslib.spec
+++ b/htslib.spec
@@ -1,10 +1,10 @@
 Name:    htslib
-Version: 1.10.2
-Release: 3
+Version: 1.11
+Release: 1
 Summary: C library for high-throughput sequencing data formats
 License: MIT and BSD
 URL:	 http://www.htslib.org
-Source0: https://github.com/samtools/htslib/archive/%{name}-%{version}.tar.gz
+Source0: https://github.com/samtools/htslib/archive/refs/tags/%{version}.tar.gz#/%{name}-%{version}.tar.gz
 
 BuildRequires: 	gcc autoconf automake make curl-devel zlib-devel bzip2-devel xz-devel libxcrypt-devel openssl-devel
 
@@ -85,6 +85,9 @@ rm -rf %{buildroot}/%{_libdir}/libhts.a
 %{_mandir}/man1/tabix.1*
 
 %changelog
+* Tue Feb 08 2022 herengui <herengui@uniontech.com> - 1.11-1
+- update to 1.11, new version fixed CVE-2020-36403
+
 * Wed Jun 16 2021 zhao yang <yangzhao1@kylinos.cn> - 1.10.2-3
 - Add htslib-tools package