diff --git a/library/compiler-builtins/libm/.github/workflows/main.yml b/library/compiler-builtins/libm/.github/workflows/main.yml
index cc0d23ffc2f1..f0c5fe7c03e5 100644
--- a/library/compiler-builtins/libm/.github/workflows/main.yml
+++ b/library/compiler-builtins/libm/.github/workflows/main.yml
@@ -32,6 +32,8 @@ jobs:
           os: ubuntu-latest
         - target: i686-unknown-linux-gnu
           os: ubuntu-latest
+        - target: loongarch64-unknown-linux-gnu
+          os: ubuntu-latest
         - target: powerpc-unknown-linux-gnu
           os: ubuntu-latest
         - target: powerpc64-unknown-linux-gnu
diff --git a/library/compiler-builtins/libm/ci/docker/loongarch64-unknown-linux-gnu/Dockerfile b/library/compiler-builtins/libm/ci/docker/loongarch64-unknown-linux-gnu/Dockerfile
new file mode 100644
index 000000000000..a9ce320e8b4a
--- /dev/null
+++ b/library/compiler-builtins/libm/ci/docker/loongarch64-unknown-linux-gnu/Dockerfile
@@ -0,0 +1,13 @@
+FROM ubuntu:24.04
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    gcc libc6-dev qemu-user-static ca-certificates \
+    gcc-14-loongarch64-linux-gnu libc6-dev-loong64-cross
+
+ENV CARGO_TARGET_LOONGARCH64_UNKNOWN_LINUX_GNU_LINKER=loongarch64-linux-gnu-gcc-14 \
+    CARGO_TARGET_LOONGARCH64_UNKNOWN_LINUX_GNU_RUNNER=qemu-loongarch64-static \
+    AR_loongarch64_unknown_linux_gnu=loongarch64-linux-gnu-ar \
+    CC_loongarch64_unknown_linux_gnu=loongarch64-linux-gnu-gcc-14 \
+    QEMU_LD_PREFIX=/usr/loongarch64-linux-gnu \
+    RUST_TEST_THREADS=1