Rakefile in bio-1.3.0 vs Rakefile in bio-1.3.1

@@ -59,11 +59,11 @@
 task :gemspec => GEM_SPEC_FILE
 
 desc "Force update gem spec file"
 task :regemspec do
   #rm GEM_SPEC_FILE, :force => true
-  Rake::Task[GEM_SPEC_FILE].execute
+  Rake::Task[GEM_SPEC_FILE].execute(nil)
 end
 
 desc "Update #{GEM_SPEC_FILE}"
 file GEM_SPEC_FILE => [ GEM_SPEC_TEMPLATE_FILE, 'Rakefile',
                         'lib/bio/version.rb' ] do |t|
@@ -135,9 +135,9 @@
 
 desc "Force update doc/Tutorial*.html"
 task :retutorial2html do
   # safe_unlink HTMLFILES_TUTORIAL
   HTMLFILES_TUTORIAL.each do |x|
-    Rake::Task[x].execute
+    Rake::Task[x].execute(nil)
   end
 end