diff --git a/firefox.spec b/firefox.spec
index 8450fd5..0624dc6 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -17,7 +17,7 @@
 %define        pkgver %(echo %version | tr . _)
 
 Name:          firefox
-Version:       89.0.2
+Version:       90.0
 Release:       1mamba
 Epoch:         1
 Summary:       The next generation browsing technology from mozilla.org
@@ -76,7 +76,6 @@ BuildRequires: libfreetype-devel
 BuildRequires: libgcc
 BuildRequires: libgdk-pixbuf-devel
 BuildRequires: libglib-devel
-BuildRequires: libgtk2-devel
 BuildRequires: libgtk3-devel
 BuildRequires: libharfbuzz-devel
 BuildRequires: libnspr-devel
@@ -346,7 +345,6 @@ END
 mkdir -p mozbuild
 
 %build
-#:<< ___EOF
 #export MOZ_SOURCE_REPO=https://hg.mozilla.org/mozilla-unified
 export MOZ_NOSPAM=1
 export MOZBUILD_STATE_PATH="`pwd`/mozbuild"
@@ -504,7 +502,7 @@ includedir=%{firefoxincludedir}
 
 Name: Mozilla Plug-In API
 Description: Mozilla Plug-In API
-Version: 89.0.2
+Version: 90.0
 
 Cflags: -I\${includedir} -DXP_UNIX
 _EOF
@@ -604,7 +602,7 @@ fi
 %dir %{firefoxappdir}/gmp-clearkey/0.1
 %{firefoxappdir}/gmp-clearkey/0.1/*
 %{firefoxappdir}/Throbber-small.gif
-%{firefoxappdir}/gtk2/libmozgtk.so
+#%{firefoxappdir}/gtk2/libmozgtk.so
 %{firefoxappdir}/liblgpllibs.so
 %{firefoxappdir}/libmozavcodec.so
 %{firefoxappdir}/libmozavutil.so
@@ -625,6 +623,9 @@ fi
 %{_libdir}/pkgconfig/mozilla-plugin.pc
 
 %changelog
+* Sat Jul 17 2021 Automatic Build System <autodist@mambasoft.it> 90.0-1mamba
+- automatic version update by autodist
+
 * Thu Jun 24 2021 Automatic Build System <autodist@mambasoft.it> 89.0.2-1mamba
 - automatic version update by autodist