diff --git a/xorg-drv-input-wacom.spec b/xorg-drv-input-wacom.spec
index 4f0afd7..bc63dc5 100644
--- a/xorg-drv-input-wacom.spec
+++ b/xorg-drv-input-wacom.spec
@@ -1,7 +1,7 @@
 %define xorg_ver %(pkg-config xorg-server --modversion|cut -d. -f1-2)
 Name:          xorg-drv-input-wacom
 Version:       0.36.1
-Release:       1mamba
+Release:       2mamba
 Summary:       X.Org input driver for Wacom tablets
 Group:         System/X11
 Vendor:        openmamba
@@ -30,6 +30,7 @@ BuildRequires: libsepol-devel
 BuildRequires: libudev-devel
 BuildRequires: libxcb-devel
 ## AUTOBUILDREQ-END
+BuildRequires: xorg-server-devel >= 1.20.4
 Provides:      xorgdrvinput
 Requires:      xorg-server >= %{xorg_ver}
 Requires:      xorg-server <= %{xorg_ver}.255
@@ -85,6 +86,9 @@ This package contains header files need for development.
 #%doc ChangeLog README
 
 %changelog
+* Sun Mar 03 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 0.36.1-2mamba
+- rebuilt with xorg-server 1.20.4
+
 * Thu Sep 13 2018 Automatic Build System <autodist@mambasoft.it> 0.36.1-1mamba
 - automatic version update by autodist