diff --git a/docs/vega/getting-started/buildroot-sdk.md b/docs/vega/getting-started/buildroot-sdk.md
index ba0d6175..f0ab55ca 100644
--- a/docs/vega/getting-started/buildroot-sdk.md
+++ b/docs/vega/getting-started/buildroot-sdk.md
@@ -27,7 +27,7 @@ The following describes the compilation methods in the two environments.
 ### Packages to be installed
 
 ```bash
-sudo apt install -y make git gcc g++ bison flex device-tree-compiler mtd-utils
+sudo apt install -y make git gcc g++ bison flex device-tree-compiler mtd-utils lz4
 ```
 
 ### Get SDK Source Code
@@ -261,4 +261,4 @@ saveenv
 start up:
 ```
 boot
-```
\ No newline at end of file
+```