diff --git a/bin/grav b/bin/grav
index ea66b07df..0ac1a7429 100755
--- a/bin/grav
+++ b/bin/grav
@@ -5,6 +5,13 @@ if (version_compare($ver = PHP_VERSION, $req = '5.4.0', '<')) {
     exit(sprintf("You are running PHP %s, but Grav needs at least PHP %s to run.\n", $ver, $req));
 }
 
+if (!file_exists(__DIR__ . '/../vendor')){
+    // Before we can even start, we need to run composer first
+    echo "Preparing to install vendor dependencies...\n\n";
+    echo system('php bin/composer.phar --working-dir="'.__DIR__.'/../" --no-interaction install');
+    echo "\n\n";
+}
+
 use Symfony\Component\Console\Application;
 
 require_once(__DIR__ . '/../vendor/autoload.php');
diff --git a/system/src/Grav/Console/Cli/InstallCommand.php b/system/src/Grav/Console/Cli/InstallCommand.php
index 9a3e4a62f..38664d9a3 100644
--- a/system/src/Grav/Console/Cli/InstallCommand.php
+++ b/system/src/Grav/Console/Cli/InstallCommand.php
@@ -54,8 +54,7 @@ class InstallCommand extends Command {
 
         if (file_exists($local_config_file)) {
             $this->local_config = Yaml::parse($local_config_file);
-            $output->writeln('');
-            $output->writeln('read local config from <cyan>' . $local_config_file . '</cyan>');
+            $output->writeln('Read local config from <cyan>' . $local_config_file . '</cyan>');
         }
 
         // Look for dependencies file in ROOT and USER dir
@@ -67,6 +66,10 @@ class InstallCommand extends Command {
             $output->writeln('<red>ERROR</red> Missing .dependencies file in <cyan>user/</cyan> folder');
         }
 
+        // Updates composer first
+        $output->writeln("\nInstalling vendor dependencies");
+        $output->writeln(system('php bin/composer.phar --working-dir="'.$this->destination.'" --no-interaction update'));
+
         // If yaml config, process
         if ($this->config) {
             if (!$input->getOption('symlink')) {