diff --git a/0001-add-loongarch64-support-for-target-lexicon.patch b/0001-add-loongarch64-support-for-target-lexicon.patch
new file mode 100644
index 0000000000000000000000000000000000000000..ecb7a70149b9c5275eeb3587c664c70f777804a3
--- /dev/null
+++ b/0001-add-loongarch64-support-for-target-lexicon.patch
@@ -0,0 +1,73 @@
+From 5e7fda7253e30c955e97572914ba4cf99bab4ab7 Mon Sep 17 00:00:00 2001
+From: Wenlong Zhang <zhangwenlong@loongson.cn>
+Date: Tue, 16 Dec 2025 08:59:28 +0800
+Subject: [PATCH] add loongarch64 support for target-lexicon
+
+---
+ native/vendor/target-lexicon/.cargo-checksum.json | 2 +-
+ native/vendor/target-lexicon/src/targets.rs       | 6 ++++++
+ 2 files changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/native/vendor/target-lexicon/.cargo-checksum.json b/native/vendor/target-lexicon/.cargo-checksum.json
+index 2ab0205..b5826d3 100644
+--- a/native/vendor/target-lexicon/.cargo-checksum.json
++++ b/native/vendor/target-lexicon/.cargo-checksum.json
+@@ -1 +1 @@
+-{"files":{"Cargo.lock":"b9264c19ff518102b65fbe3727bfff730e671546f83c6d1375fb0c1f907710f6","Cargo.toml":"0cfc8c6ade28f12605500e0ec23192094a3e0a9eefcbce850f9a1b5a7652c646","LICENSE":"268872b9816f90fd8e85db5a28d33f8150ebb8dd016653fb39ef1f94f2686bc5","README.md":"c3467056d91be3f59562158ee9604c729b5b5f473efbefb036032803eb76809e","build.rs":"4716b4f955c7a4cb39cb3b7521c1745d5110c1cbd1e054bca906e37f5e974675","examples/host.rs":"503bafddfb372123fe4dc0e7b8037808beb5bfe6df60c00d3315922bd3792c6c","examples/misc.rs":"49a579845450b7b020ed5c97dca142fc548725893cbc82f6f750ee0caab2beca","scripts/rust-targets.sh":"89564342916321c5bc35e772d374a7f0af22cc9ae6dcc0027eca48d2269f18cb","src/data_model.rs":"38c0c184ee65b882872298127d9c6878292bd12c139792e82328a5facc2428ae","src/host.rs":"fb543df4f362e9119a58523563e453110f4e3a426f0995911d0ca386657cf1d9","src/lib.rs":"8e507b48bd616e1fae0e4664770f66a6475b3c6b5377f88edae1e129d133c4eb","src/parse_error.rs":"b3735eabc0fd0a9dfdd6375662f20ec96a79852a00a05a98fb2e421545285e53","src/targets.rs":"b8eea045a1bc8d19e8e5b0cdd969727c8403982062772fab79dc982a7d237470","src/triple.rs":"f609b02ff35df25adae00b0965484043b37bb0e0c1cc5b6aa9729b69f6811879"},"package":"c02424087780c9b71cc96799eaeddff35af2bc513278cda5c99fc1f5d026d3c1"}
+\ No newline at end of file
++{"files":{"Cargo.lock":"b9264c19ff518102b65fbe3727bfff730e671546f83c6d1375fb0c1f907710f6","Cargo.toml":"0cfc8c6ade28f12605500e0ec23192094a3e0a9eefcbce850f9a1b5a7652c646","LICENSE":"268872b9816f90fd8e85db5a28d33f8150ebb8dd016653fb39ef1f94f2686bc5","README.md":"c3467056d91be3f59562158ee9604c729b5b5f473efbefb036032803eb76809e","build.rs":"4716b4f955c7a4cb39cb3b7521c1745d5110c1cbd1e054bca906e37f5e974675","examples/host.rs":"503bafddfb372123fe4dc0e7b8037808beb5bfe6df60c00d3315922bd3792c6c","examples/misc.rs":"49a579845450b7b020ed5c97dca142fc548725893cbc82f6f750ee0caab2beca","scripts/rust-targets.sh":"89564342916321c5bc35e772d374a7f0af22cc9ae6dcc0027eca48d2269f18cb","src/data_model.rs":"38c0c184ee65b882872298127d9c6878292bd12c139792e82328a5facc2428ae","src/host.rs":"fb543df4f362e9119a58523563e453110f4e3a426f0995911d0ca386657cf1d9","src/lib.rs":"8e507b48bd616e1fae0e4664770f66a6475b3c6b5377f88edae1e129d133c4eb","src/parse_error.rs":"b3735eabc0fd0a9dfdd6375662f20ec96a79852a00a05a98fb2e421545285e53","src/targets.rs":"784a43d0850d6d09074a7e935b23e72117f5aa429453dba07bbacab0fec5ecf5","src/triple.rs":"f609b02ff35df25adae00b0965484043b37bb0e0c1cc5b6aa9729b69f6811879"},"package":"c02424087780c9b71cc96799eaeddff35af2bc513278cda5c99fc1f5d026d3c1"}
+diff --git a/native/vendor/target-lexicon/src/targets.rs b/native/vendor/target-lexicon/src/targets.rs
+index 8ef23b2..0ba0d71 100644
+--- a/native/vendor/target-lexicon/src/targets.rs
++++ b/native/vendor/target-lexicon/src/targets.rs
+@@ -34,6 +34,7 @@ pub enum Architecture {
+     Riscv32(Riscv32Architecture),
+     Riscv64(Riscv64Architecture),
+     S390x,
++    Loongarch64,
+     Sparc,
+     Sparc64,
+     Sparcv9,
+@@ -550,6 +551,7 @@ impl Architecture {
+             | Powerpc
+             | Powerpc64
+             | S390x
++            | Loongarch64
+             | Sparc
+             | Sparc64
+             | Sparcv9 => Ok(Endianness::Big),
+@@ -586,6 +588,7 @@ impl Architecture {
+             | Nvptx64
+             | Powerpc64
+             | S390x
++            | Loongarch64
+             | Sparc64
+             | Sparcv9
+             | Wasm64 => Ok(PointerWidth::U64),
+@@ -770,6 +773,7 @@ impl fmt::Display for Architecture {
+             Riscv32(riscv32) => riscv32.fmt(f),
+             Riscv64(riscv64) => riscv64.fmt(f),
+             S390x => f.write_str("s390x"),
++            Loongarch64 => f.write_str("loongarch64"),
+             Sparc => f.write_str("sparc"),
+             Sparc64 => f.write_str("sparc64"),
+             Sparcv9 => f.write_str("sparcv9"),
+@@ -949,6 +953,7 @@ impl FromStr for Architecture {
+             "powerpc64" => Powerpc64,
+             "powerpc64le" => Powerpc64le,
+             "s390x" => S390x,
++            "loongarch64" => Loongarch64,
+             "sparc" => Sparc,
+             "sparc64" => Sparc64,
+             "sparcv9" => Sparcv9,
+@@ -1466,6 +1471,7 @@ mod tests {
+             "riscv64gc-unknown-none-elf",
+             "riscv64imac-unknown-none-elf",
+             "s390x-unknown-linux-gnu",
++            "loongarch64-unknown-linux-gnu",
+             "s390x-unknown-linux-musl",
+             "sparc-unknown-linux-gnu",
+             "sparc64-unknown-linux-gnu",
+-- 
+2.43.0
+
diff --git a/python-libcst.spec b/python-libcst.spec
index de3b749e7d2824adc256f454bfa72a5b8b9cef02..a7fb7de522829f298e93c3f927d1d6790b8a7bfe 100644
--- a/python-libcst.spec
+++ b/python-libcst.spec
@@ -16,13 +16,14 @@ AST.}
  
 Name:           python-%{pypi_name}
 Version:        1.2.0
-Release:        1
+Release:        2
 Summary:        A concrete syntax tree with AST-like properties for Python 3
 License:        MIT and (MIT and Python) and ASL 2.0
 URL:            https://github.com/Instagram/LibCST
 Source0:        %{pypi_source %{pypi_name}}
 Source1:        cargo-vendor-cache
 Patch1:         0001-set-cargo-vendor-cache-for-local-build.patch
+Patch2:         0001-add-loongarch64-support-for-target-lexicon.patch
  
 BuildRequires:  rust-packaging
 
@@ -66,8 +67,9 @@ Documentation for %{name}
 %endif
  
 %prep
-%autosetup -p1 -n %{pypi_name}-%{version}
+%setup -n %{pypi_name}-%{version}
 tar xzvf %{SOURCE1} -C ./native/
+%autopatch -p1
 
 %if %{with docs}
 sed -r \
@@ -98,6 +100,9 @@ rm -rf html/.{doctrees,buildinfo}
 %endif
  
 %changelog
+* Mon Dec 15 2025 Wenlong Zhang <zhangwenlong@loongson.cn> - 1.2.0-2
+- add loongarch64 support for target-lexicon
+
 * Thu Feb 29 2024 Dongxing Wang <dongxing.wang_a@thundersoft.com> - 1.2.0-1
 - Upgrade package with version 1.2.0
   Support running LibCST on Python 3.12 and drop support for running it on 3.8