diff --git a/grub-theme-openmamba-conf b/grub-theme-openmamba-conf
index 2e9ba7e..64fe0b4 100644
--- a/grub-theme-openmamba-conf
+++ b/grub-theme-openmamba-conf
@@ -3,6 +3,7 @@
 cat << _EOF
 insmod png
 background_image /boot/grub/openmamba-grub-1024x768.png
-set menu_color_normal=white/black
+set color_normal=black/black
+set menu_color_normal=green/black
 set menu_color_highlight=white/green
 _EOF
diff --git a/grub-theme-openmamba.spec b/grub-theme-openmamba.spec
index 94575c1..fb04344 100644
--- a/grub-theme-openmamba.spec
+++ b/grub-theme-openmamba.spec
@@ -1,6 +1,6 @@
 Name:          grub-theme-openmamba
-Version:       1.0
-Release:       2mamba
+Version:       4.0
+Release:       1mamba
 Summary:       openmamba default theme for GRUB 2
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
@@ -11,8 +11,10 @@ Source:        grub-theme-openmamba-conf
 Source1:       openmamba-grub-1024x768.png
 License:       GPL
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
 BuildArch:     noarch
-PreReq:        grub2
+Requires(post): grub2
 
 %description
 openmamba default theme for GRUB 2.
@@ -40,6 +42,10 @@ exit 0
 /boot/grub/openmamba-grub-1024x768.png
 
 %changelog
+* Thu Aug 25 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0-1mamba
+- update to 4.0
+- new grub theme for openmamba milestone4
+
 * Sat Jul 24 2010 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0-2mamba
 - remove openmamba logo from bottom right image corner to impove console usability
 
diff --git a/openmamba-grub-1024x768.png b/openmamba-grub-1024x768.png
index 18f178b..98548c7 100644
Binary files a/openmamba-grub-1024x768.png and b/openmamba-grub-1024x768.png differ