diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28610d3..233fda2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [5.4.8] - 2026-09-29
+
+### Changed
+    - update c sdk to v27.1.1
+
 ## [5.4.7] - 2026-09-24
 
 ### Changed
diff --git a/lite/Dockerfile b/lite/Dockerfile
index dcd8592..1b0edca 100644
--- a/lite/Dockerfile
+++ b/lite/Dockerfile
@@ -1,10 +1,10 @@
 FROM debian:trixie-slim@sha256:b6e2a152f22a40ff69d92cb397223c906017e1391a73c952b588e51af8883bf8
 
-ARG NANOSP_SDK_VERSION=v26.6.5
-ARG NANOX_SDK_VERSION=v26.6.5
-ARG STAX_SDK_VERSION=v26.6.5
-ARG FLEX_SDK_VERSION=v26.6.5
-ARG APEX_P_SDK_VERSION=v26.6.5
+ARG NANOSP_SDK_VERSION=v27.1.1
+ARG NANOX_SDK_VERSION=v27.1.1
+ARG STAX_SDK_VERSION=v27.1.1
+ARG FLEX_SDK_VERSION=v27.1.1
+ARG APEX_P_SDK_VERSION=v27.1.1
 
 ARG CLANG_MAJOR=21
 ARG CLANG_NIGHTLY=1:21.1.8~++20251221033036+2078da43e25a-1~exp1~20251221153213.50