diff --git a/Documentation/linux_kernel_build.md b/Documentation/linux_kernel_build.md
index ae4707b..857a103 100644
--- a/Documentation/linux_kernel_build.md
+++ b/Documentation/linux_kernel_build.md
@@ -15,7 +15,7 @@ Define the following environment variables:
 |Description|Command Line|
 |---|---|
 |NXP release name|export NXP_RELEASE=rel_imx_5.4.24_2.1.0|
-|CompuLab branch name|export CPL_BRANCH=iot-gate-imx8_r2.0|
+|CompuLab branch name|export CPL_BRANCH=iot-gate-imx8_r2.2|
 
 ## Prerequisites
 It is up to developer to setup arm64 build environment: