diff --git a/README.md b/README.md
index ae866d2..adb561b 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,7 @@ reboot
 
 # 2. Update mbp-fedora-kernel
 ## update_kernel_mbp has built-in selfupgrade function, so when it fails it's just due to script update - please rerun everything should be good on second run
-KERNEL_VERSION="6.5.11-f39" UPDATE_SCRIPT_BRANCH="v6.5-f39" update_kernel_mbp
+KERNEL_VERSION="6.4.16-f38" UPDATE_SCRIPT_BRANCH="v6.4-f38" update_kernel_mbp
 reboot
 
 # 3. Update your OS to include all changes made in mbp-fedora-t2-config RPM
diff --git a/fedora-mbp.ks b/fedora-mbp.ks
index 9b61b3f..a626331 100644
--- a/fedora-mbp.ks
+++ b/fedora-mbp.ks
@@ -14,14 +14,14 @@ eula --agreed
 ## Install mbp-fedora-kernel, mbp-fedora-t2-config, mbp-fedora-t2-repo
 curl
 -kernel-6.*.fc39.x86_64
-kernel-*.*[0-9].mbp.fc39.x86_64
+kernel-*.*[0-9].mbp.fc38.x86_64
 mbp-fedora-t2-config
 mbp-fedora-t2-repo
 
 %end
 
 %post
-UPDATE_SCRIPT_BRANCH=v6.5-f39
+UPDATE_SCRIPT_BRANCH=v6.4-f38
 
 ### Add dns server configuration
 echo "===]> Info: Printing PWD"