diff --git a/firefox.spec b/firefox.spec
index ee9e821..f99bb04 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -15,7 +15,7 @@
 #% define        source_dir                  mozilla-%{mozilla_version}
 
 Name:          firefox
-Version:       49.0.2
+Version:       50.1.0
 Release:       1mamba
 Epoch:         1
 Summary:       The next generation browsing technology from mozilla.org
@@ -203,7 +203,6 @@ export MOZILLA_OFFICIAL="1"
   --with-x \
   --with-pthreads \
   --enable-default-toolkit=cairo-gtk3  \
-  --with-qtdir=%{_qt3_prefix} \
   --enable-ldap \
   --enable-application=browser \
   --disable-calendar \
@@ -227,6 +226,10 @@ export MOZILLA_OFFICIAL="1"
   --enable-chrome-format=omni \
   --enable-gio
 
+
+# Removed since 50.1.0:
+#  --with-qtdir=%{_qt3_prefix} \
+
 # Removed since 48.0:
 #  --build=%{_build} \
 #  --bindir=%{_bindir} \
@@ -372,7 +375,7 @@ includedir=%{firefoxincludedir}
 
 Name: Mozilla Plug-In API
 Description: Mozilla Plug-In API
-Version: 49.0.2
+Version: 50.1.0
 
 Cflags: -I\${includedir} -DXP_UNIX
 _EOF
@@ -482,6 +485,8 @@ fi
 %{firefoxappdir}/dependentlibs.list
 %dir %{firefoxappdir}/dictionaries
 %{firefoxappdir}/dictionaries/*
+%dir %{firefoxappdir}/fonts
+%{firefoxappdir}/fonts/*
 %dir %{firefoxappdir}/gmp-clearkey
 %dir %{firefoxappdir}/gmp-clearkey/0.1
 %{firefoxappdir}/gmp-clearkey/0.1/*
@@ -1759,6 +1764,9 @@ Zulu language support for Firefox.
 #%{firefoxappdir}/browser/extensions/langpack-zu@firefox.mozilla.org/
 
 %changelog
+* Wed Dec 21 2016 Automatic Build System <autodist@mambasoft.it> 50.1.0-1mamba
+- automatic version update by autodist
+
 * Sat Oct 22 2016 Automatic Build System <autodist@mambasoft.it> 49.0.2-1mamba
 - automatic version update by autodist