Use command for bump_patch.

lib/jeweler.rb

@@ -107,12 +107,13 @@ def install_gem
   #
   # 1.5.1 -> 1.5.2
   def bump_patch_version(options = {})
-    options = version_writing_options(options)
-
-    @version.bump_patch
-    @version.write
+    command = Jeweler::Commands::Version::BumpPatch.new
+    command.repo = @repo
+    command.version_helper = @version
+    command.gemspec = @gemspec
+    command.commit = true
 
-    commit_version if options[:commit]
+    command.run
   end
 
   # Bumps the minor version.

lib/jeweler/tasks.rb

@@ -65,19 +65,19 @@ def define
 
         namespace :bump do
           desc "Bump the gemspec by a major version."
-          task :major => ['VERSION.yml', :display] do
+          task :major => ['VERSION.yml', :version] do
             @jeweler.bump_major_version
             $stdout.puts "Updated version: #{@jeweler.version}"
           end
 
           desc "Bump the gemspec by a minor version."
-          task :minor => ['VERSION.yml', 'version:display'] do
+          task :minor => ['VERSION.yml', :version] do
             @jeweler.bump_minor_version
             $stdout.puts "Updated version: #{@jeweler.version}"
           end
 
           desc "Bump the gemspec by a patch version."
-          task :patch => ['VERSION.yml', 'version:display'] do
+          task :patch => ['VERSION.yml', :version] do
             @jeweler.bump_patch_version
             $stdout.puts "Updated version: #{@jeweler.version}"
           end