diff --git a/nghttp2-1.52.0.tar.xz b/nghttp2-1.52.0.tar.xz
deleted file mode 100644
index dda6d4705f8564a37f837a98052ac2ce5d94cd78..0000000000000000000000000000000000000000
Binary files a/nghttp2-1.52.0.tar.xz and /dev/null differ
diff --git a/nghttp2-1.55.0.tar.xz b/nghttp2-1.55.0.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..209f330ec261989369d8458c8ed5af253e5524e5
Binary files /dev/null and b/nghttp2-1.55.0.tar.xz differ
diff --git a/nghttp2.spec b/nghttp2.spec
index 8d3e522d348c9454bca176711eb9cd98d12d710d..0c98a9e2143833c9d41d319091851a2928e84edb 100644
--- a/nghttp2.spec
+++ b/nghttp2.spec
@@ -1,11 +1,10 @@
 Name:           nghttp2
-Version:        1.52.0
+Version:        1.55.0
 Release:        1
 Summary:        Contains the HTTP/2 client, server and proxy programs.
 License:        MIT
 URL:            https://nghttp2.org/
 Source0:        https://github.com/nghttp2/nghttp2/releases/download/v%{version}/%{name}-%{version}.tar.xz
-
 BuildRequires:  CUnit-devel c-ares-devel gcc-c++ libev-devel openssl-devel automake
 BuildRequires:  python3-devel systemd-devel zlib-devel make libxml2-devel
 
@@ -89,6 +88,12 @@ export "LD_LIBRARY_PATH=$RPM_BUILD_ROOT%{_libdir}:$LD_LIBRARY_PATH"
 %{_mandir}/man1/*
 
 %changelog
+* Thu Jul 13 2023 chenzixuan <chenzixuan@kylinos.cn> - 1.55.0-1
+- Type:requirements
+- Id:NA
+- SUG:NA
+- DESC:update nghttp2 to 1.55.0
+
 * Mon Mar 06 2023 xinghe <xinghe2@h-partners.com> - 1.52.0-1
 - Type:requirements
 - Id:NA