diff --git a/build_kernel.sh b/build_kernel.sh
index d4d0b1e87..bb2d029c1 100755
--- a/build_kernel.sh
+++ b/build_kernel.sh
@@ -1,8 +1,8 @@
 #!/bin/bash
 
 
-export PLATFORM_VERSION=11
-export ANDROID_MAJOR_VERSION=r
+export PLATFORM_VERSION=12
+export ANDROID_MAJOR_VERSION=s
 export ARCH=arm64
 
 make ARCH=arm64 exynos850-a21snsxx_defconfig