diff --git a/11-kernel-crosscompiler/README.md b/11-kernel-crosscompiler/README.md
index 6d489946..c271251e 100644
--- a/11-kernel-crosscompiler/README.md
+++ b/11-kernel-crosscompiler/README.md
@@ -19,6 +19,7 @@ you didn't do it on lesson 00, and get those packages with `brew install`
 - mpfr
 - libmpc
 - gcc
+- wget
 
 Yes, we will need `gcc` to build our cross-compiled `gcc`, especially on a Mac where gcc has been deprecated for `clang`
 
@@ -54,15 +55,21 @@ cd binutils-build
 make all install 2>&1 | tee make.log
 ```
 
+NOTE: Run this if on mac to substitiute the /usr/include directory
+```
+export CPATH="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/"
+```
+
 gcc
 ---
 ```sh
 cd /tmp/src
-curl -O https://ftp.gnu.org/gnu/gcc/gcc-4.9.1/gcc-4.9.1.tar.bz2
+curl -O https://ftp.gnu.org/gnu/gcc/gcc-12.2.0/gcc-12.2.0.tar.gz
 tar xf gcc-4.9.1.tar.bz2
 mkdir gcc-build
 cd gcc-build
-../gcc-4.9.1/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --disable-libssp --enable-languages=c --without-headers
+../gcc-12.2.0/contrib/download_prerequisites
+../gcc-12.2.0/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --disable-libssp --enable-languages=c --without-headers
 make all-gcc 
 make all-target-libgcc 
 make install-gcc