diff --git a/README.md b/README.md
index e84c2f2..82be485 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,9 @@
 # Building
 
 The driver stack comes with a CMake based build system. A toolchain file is
-provided for reference how to cross compile for Aarch64 based systems.
+provided for reference how to cross compile for Aarch64 based systems. The
+driver stack build has been tested on the `Ubuntu 22.04 LTS x86 64-bit` Linux
+distribution.
 
 Note that if your host system provides cross compilers and libraries of newer
 versions than what is supported on your target system, you might be required to
@@ -21,9 +23,10 @@
 show what it could look like. Another option is to run a Docker image of an
 appropriate Linux distribution suited to build for your needs.
 
-Building the kernel modules requires a configured Linux kernel source tree.
-Please refer to the Linux kernel official documentation for instructions how to
-configure and build the Linux kernel.
+Building the kernel modules requires a configured Linux kernel source tree and
+a minimum Sparse version of 0.6.4. Please refer to the Linux kernel official
+documentation for instructions how to configure and build the Linux kernel and
+Sparse.
 
 ```
 $ cmake -B build --toolchain $PWD/cmake/toolchain/aarch64-linux-gnu.cmake -DKDIR=<Kernel directory>