diff --git a/backport-Fix-sizeof-http_parser-assert.patch b/backport-Fix-sizeof-http_parser-assert.patch
new file mode 100644
index 0000000000000000000000000000000000000000..d5fa0ad00a383cd24865dfb9602b94aaab2546b4
--- /dev/null
+++ b/backport-Fix-sizeof-http_parser-assert.patch
@@ -0,0 +1,40 @@
+From 4f15b7d510dc7c6361a26a7c6d2f7c3a17f8d878 Mon Sep 17 00:00:00 2001
+From: Ben Noordhuis <info@bnoordhuis.nl>
+Date: Fri, 10 Jul 2020 11:55:11 +0200
+Subject: [PATCH] Fix sizeof(http_parser) assert
+
+The result should be 32 on both 32 bits and 64 bits x86 because of
+struct padding.
+
+Fixes: https://github.com/nodejs/http-parser/issues/507
+PR-URL: https://github.com/nodejs/http-parser/pull/510
+Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
+
+Conflict:NA
+Reference:https://github.com/nodejs/http-parser/commit/4f15b7d510dc7c6361a26a7c6d2f7c3a17f8d878
+---
+ test.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/test.c b/test.c
+index 53a3163..3f7c77b 100644
+--- a/test.c
++++ b/test.c
+@@ -4343,7 +4343,13 @@ main (void)
+   printf("http_parser v%u.%u.%u (0x%06lx)\n", major, minor, patch, version);
+ 
+   printf("sizeof(http_parser) = %u\n", (unsigned int)sizeof(http_parser));
+-  assert(sizeof(http_parser) == 4 + 4 + 8 + 2 + 2 + 4 + sizeof(void *));
++
++#if defined(__i386__) || defined(__x86_64__)
++  /* Should be 32 on both 32 bits and 64 bits x86 because of struct padding,
++   * see https://github.com/nodejs/http-parser/issues/507.
++   */
++  assert(sizeof(http_parser) == 32);
++#endif
+ 
+   //// API
+   test_preserve_data();
+-- 
+2.33.0
+
diff --git a/http-parser.spec b/http-parser.spec
index f95f48b0d9e744dd8098108be8d8b269caf737dc..b4448d08947cf4ad24643edf2b81f178df5ad4bd 100644
--- a/http-parser.spec
+++ b/http-parser.spec
@@ -1,6 +1,6 @@
 Name:           http-parser
 Version:        2.9.4
-Release:        2
+Release:        3
 Summary:        HTTP request/response parser for C
 
 License:        MIT
@@ -8,6 +8,7 @@ URL:            https://github.com/nodejs/%{name}
 Source0:        https://github.com/nodejs/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
 
 Patch6000:      backport-url-treat-empty-port-as-default.patch
+Patch6001:      backport-Fix-sizeof-http_parser-assert.patch 
 
 BuildRequires:  gcc meson
 
@@ -84,6 +85,9 @@ EOF
 %doc AUTHORS README.md
 
 %changelog
+* Fri Aug 02 2024 zhouyihang <zhouyihang3@h-partners.com> - 2.9.4-3
+- Fix sizeof(http_parser) assert
+
 * Mon Jul 25 2022 yanglu <yanglu72@h-partners.com> - 2.9.4-2
 - Include patch to work colon but no port