diff --git a/README.md b/README.md
index 82ca28bea28f06208f0b95b4a8f8aa1557387574..7547b8c29547bd9bf2865d60f0f085685b8abe9d 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 #### 介绍
 The zlib compression library for OpenResty
-
+同步上游 zlib 版本，更新至 zlib-1.2.12
 #### 软件架构
 软件架构说明
 
diff --git a/openresty-zlib.spec b/openresty-zlib.spec
index 9fd208fcad33c883ccc1fae20aeb75b86fa18ef8..273d258f66102fec0a85530f6412a8fa734b8e3b 100644
--- a/openresty-zlib.spec
+++ b/openresty-zlib.spec
@@ -1,6 +1,6 @@
 Name:               openresty-zlib
-Version:            1.2.11
-Release:            3%{?dist}
+Version:            1.2.12
+Release:            1
 Summary:            The zlib compression library for OpenResty
 
 Group:              System Environment/Libraries
@@ -36,7 +36,7 @@ Provides C header and static library for OpenResty's zlib library.
 
 
 %package asan
-Release:            13%{?dist}
+Release:            14
 Summary:            Clang AddressSanitizer version for the zlib compression library for OpenResty
 Group:              System Environment/Libraries
 BuildRequires:      libtool, clang, compiler-rt
@@ -47,7 +47,7 @@ The zlib compression library for use by Openresty ONLY. This is the clang Addres
 
 
 %package asan-devel
-Release:            13%{?dist}
+Release:            14
 Summary:            Development files for OpenResty's zlib library
 Group:              Development/Libraries
 Requires:           openresty-zlib-asan = %{version}-%{release}
@@ -122,5 +122,14 @@ rm -rf %{buildroot}
 %{zlib_prefix_asan}/include/zconf.h
 
 %changelog
+* Thu Jul 7 2022 qiaojijun <qiaojijun@kylinos.cn> -1.2.12-1
+- Fix a deflate bug when using the Z_FIXED strategy that can result in out-of-bound accesses
+- Fix a deflate bug when the window is full in deflate_stored()
+- Speed up CRC-32 computations by a factor of 1.5 to 3
+- Use the hardware CRC-32 instruction on ARMv8 processors
+- Speed up crc32_combine() with powers of x tables
+- Add crc32_combine_gen() and crc32_combine_op() for fast combines
+* Thu Mar 24 2022 wulei <wulei80@huawei.com> - 1.2.11-4
+- Delete {?dist}
 * Wed Jul 21 2021 imjoey <majunjie@apache.org> - 1.2.11-3
 - Package init
diff --git a/zlib-1.2.11.tar.xz b/zlib-1.2.11.tar.xz
deleted file mode 100644
index 305b7a058f2b18b5ff15b0c5258ab7d489c21973..0000000000000000000000000000000000000000
Binary files a/zlib-1.2.11.tar.xz and /dev/null differ
diff --git a/zlib-1.2.12.tar.xz b/zlib-1.2.12.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..f7b33e79d92d68f9686975bcd424acda5e0cef87
Binary files /dev/null and b/zlib-1.2.12.tar.xz differ