diff --git a/libc-0.2.150.tar.gz b/libc-0.2.150.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..575ab6d27caa66b3738afb48b5a7c41cd33131bf
Binary files /dev/null and b/libc-0.2.150.tar.gz differ
diff --git a/python-cryptography.spec b/python-cryptography.spec
index 9a460d7d1c55a08cc9c7b09b2ee9a46860742f8f..6633feafad0c7779022f6406ac45d680c105e153 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -1,7 +1,7 @@
 %global srcname cryptography
 Name:           python-%{srcname}
 Version:        35.0.0
-Release:        1
+Release:        2
 Summary:        PyCA's cryptography library
 License:        ASL 2.0 or BSD
 URL:            https://cryptography.io/en/latest/  
@@ -13,6 +13,10 @@ Source0:        %{srcname}-%{version}.tar.gz
 # Note: Cargo needs to be consistent with the cargo version in the compile environment.
 Source1:        cargo-vendor-cache.tar.gz
 
+# source from rustc-1.77.0-src/vendor/libc-0.2.150 directory of the rustc-1.77.0-src.tar.xz compressed package.
+# branch: openEuler-24.03-LTS
+# commit: 8af59cc67e548d8016cd55411f225bb0aee0f84d
+Source2:	libc-0.2.150.tar.gz
 # Patch0001:      backport-provide-openssl-apis-related-to-SM-for-python.patch
 
 BuildRequires:  openssl-devel
@@ -60,6 +64,10 @@ recipes to Python developers.
 %prep
 %autosetup -n cryptography-%{version}
 tar xzvf %{SOURCE1} -C ./src/rust/
+%ifarch loongarch64
+rm -rf ./src/rust/vendor/libc/*
+tar -xf %{SOURCE2} --strip-components 1 -C ./src/rust/vendor/libc/
+%endif
 mkdir .cargo
 cat >> .cargo/config.toml << EOF
 [source.crates-io]
@@ -90,6 +98,9 @@ EOF
 %doc README.rst docs
 
 %changelog
+* Thu Jul  3 2025 Wenlong Zhang <zhangwenlong@loongson.cn> - 35.0.0-2
+- add loongarch64 support for python-cryptography
+
 * Sun Apr 28 2024 tzing_t <zhengting13@huawei.com> - 35.0.0-1
 - Upgrade package to version 35.0.0