diff --git a/src/Composer/Command/OutdatedCommand.php b/src/Composer/Command/OutdatedCommand.php
index 599087246..b08c3cb46 100644
--- a/src/Composer/Command/OutdatedCommand.php
+++ b/src/Composer/Command/OutdatedCommand.php
@@ -37,6 +37,7 @@ class OutdatedCommand extends ShowCommand
                 new InputOption('minor-only', 'm', InputOption::VALUE_NONE, 'Show only packages that have minor SemVer-compatible updates. Use with the --outdated option.'),
                 new InputOption('format', 'f', InputOption::VALUE_REQUIRED, 'Format of the output: text or json', 'text'),
                 new InputOption('ignore', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Ignore specified package(s). Use it with the --outdated option if you don\'t want to be informed about new versions of some packages.'),
+                new InputOption('no-dev', null, InputOption::VALUE_NONE, 'Disables search in require-dev packages.'),
             ))
             ->setHelp(
                 <<<EOT
@@ -77,6 +78,9 @@ EOT
         if ($input->getOption('minor-only')) {
             $args['--minor-only'] = true;
         }
+        if ($input->getOption('no-dev')) {
+            $args['--no-dev'] = true;
+        }
         $args['--format'] = $input->getOption('format');
         $args['--ignore'] = $input->getOption('ignore');
 
diff --git a/src/Composer/Command/ShowCommand.php b/src/Composer/Command/ShowCommand.php
index b928765f9..02b709c2d 100644
--- a/src/Composer/Command/ShowCommand.php
+++ b/src/Composer/Command/ShowCommand.php
@@ -81,6 +81,7 @@ class ShowCommand extends BaseCommand
                 new InputOption('direct', 'D', InputOption::VALUE_NONE, 'Shows only packages that are directly required by the root package'),
                 new InputOption('strict', null, InputOption::VALUE_NONE, 'Return a non-zero exit code when there are outdated packages'),
                 new InputOption('format', 'f', InputOption::VALUE_REQUIRED, 'Format of the output: text or json', 'text'),
+                new InputOption('no-dev', null, InputOption::VALUE_NONE, 'Disables search in require-dev packages.'),
             ))
             ->setHelp(
                 <<<EOT
@@ -196,6 +197,15 @@ EOT
             $repos = new CompositeRepository(array_merge(array($installedRepo), $composer->getRepositoryManager()->getRepositories()));
         } else {
             $repos = $installedRepo = new InstalledRepository(array($this->getComposer()->getRepositoryManager()->getLocalRepository()));
+            $root = $composer->getPackage();
+            $repo = $composer->getRepositoryManager()->getLocalRepository();
+
+            if ($input->getOption('no-dev')) {
+                $packages = $this->filterRequiredPackages($repo, $root);
+            } else {
+                $packages = $this->appendPackages($repo->getPackages(), array());
+            }
+            $packageNames = array_keys($packages);
             $rootPkg = $this->getComposer()->getPackage();
             if (!$installedRepo->getPackages() && ($rootPkg->getRequires() || $rootPkg->getDevRequires())) {
                 $io->writeError('<warning>No dependencies installed. Try running composer install or update.</warning>');
@@ -348,7 +358,13 @@ EOT
                     }
                 }
             } else {
-                foreach ($repo->getPackages() as $package) {
+                $root = $composer->getPackage();
+                if ($input->getOption('no-dev')) {
+                    $packageList = $this->filterRequiredPackages($repo, $root);
+                } else {
+                    $packageList = $this->appendPackages($repo->getPackages(), array());
+                }
+                foreach ($packageList as $package) {
                     if (!isset($packages[$type][$package->getName()])
                         || !is_object($packages[$type][$package->getName()])
                         || version_compare($packages[$type][$package->getName()]->getVersion(), $package->getVersion(), '<')
@@ -1223,4 +1239,48 @@ EOT
 
         return $this->repositorySet;
     }
+    /**
+     * Find package requires and child requires
+     *
+     * @param  RepositoryInterface $repo
+     * @param  PackageInterface    $package
+     * @param  array               $bucket
+     * @return array
+     */
+    private function filterRequiredPackages(RepositoryInterface $repo, PackageInterface $package, $bucket = array())
+    {
+        $requires = array_keys($package->getRequires());
+
+        $packageListNames = array_keys($bucket);
+        $packages = array_filter(
+            $repo->getPackages(),
+            function ($package) use ($requires, $packageListNames) {
+                return in_array($package->getName(), $requires, true) && ! in_array($package->getName(), $packageListNames, true);
+            }
+        );
+
+        $bucket = $this->appendPackages($packages, $bucket);
+
+        foreach ($packages as $requiredPackage) {
+            $bucket = $this->filterRequiredPackages($repo, $requiredPackage, $bucket);
+        }
+
+        return $bucket;
+    }
+
+    /**
+     * Adds packages to the package list
+     *
+     * @param  array $packages the list of packages to add
+     * @param  array $bucket   the list to add packages to
+     * @return array
+     */
+    public function appendPackages(array $packages, array $bucket)
+    {
+        foreach ($packages as $package) {
+            $bucket[$package->getName()] = $package;
+        }
+
+        return $bucket;
+    }
 }