diff --git a/README.md b/README.md
index 0bbfd862..66cfc197 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,11 @@ Now KernelSU will work on these version of kernels without any modification：
 - `5.10`
 - `5.4`
 - `4.19`
+
+Moreover, KernelSU will work on these version of kernels with the modification of kernel source code:
+
 - `4.14`
+- `4.9`
 
 And the current supported ABIs are : `arm64-v8a` & `x86_64`
 
diff --git a/README_CN.md b/README_CN.md
index f1025754..6af7a542 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -21,7 +21,11 @@ KernelSU 还处于早期开发阶段，你不应该生产环境中使用它。Ke
 - `5.10`
 - `5.4`
 - `4.19`
+
+除此之外，KernelSU 还可以在这些版本的内核上正常工作，但需要对内核源码进行一定的修改：
+
 - `4.14`
+- `4.9`
 
 目前支持架构 : `arm64-v8a` & `x86_64`