diff --git a/README.md b/README.md
index 3207966..035c619 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,11 @@ let g:composer_install_callback = "MyCallbackFunction"
 ```
 In this example after every `composer install` I exec a ctags generation
 
+```vim
+:ComposerUpdate [--no-dev ..]
+```
+This command exec `composer update`.
+
 ```vim
 :ComposerJSON
 ```
diff --git a/plugin/vim-composer.vim b/plugin/vim-composer.vim
index 6d0b9d0..f3608fc 100644
--- a/plugin/vim-composer.vim
+++ b/plugin/vim-composer.vim
@@ -24,6 +24,7 @@ endif
 
 command! -narg=* ComposerRun call s:ComposerRunFunc(<q-args>)
 command! -narg=* ComposerInstall call s:ComposerInstallFunc(<q-args>)
+command! -narg=* ComposerUpdate call s:ComposerUpdateFunc(<q-args>)
 command! ComposerGet call s:ComposerGetFunc()
 command! ComposerJSON call s:OpenComposerJSON()
 
@@ -55,6 +56,10 @@ function! s:ComposerInstallFunc(arg)
     endif
 endfunction
 
+function! s:ComposerUpdateFunc(arg)
+    exe s:ComposerRunFunc("update")
+endfunction
+
 function! g:ComposerKnowWhereCurrentFileIs()
     let g:currentWord = expand('<cword>')
     let l:command = "grep " . g:currentWord . " ./vendor/composer -R | awk '{print $6}' | awk -F\\' '{print $2}'"