diff --git a/parallel-lint b/parallel-lint
index 0d77fdb..54d6887 100755
--- a/parallel-lint
+++ b/parallel-lint
@@ -55,7 +55,7 @@ foreach ($autoloadLocations as $autoload) {
 if (!$loaded) {
     fwrite(STDERR,
         'You must set up the project dependencies, run the following commands:' . PHP_EOL .
-        'curl -s http://getcomposer.org/installer | php' . PHP_EOL .
+        'curl -s https://getcomposer.org/installer | php' . PHP_EOL .
         'php composer.phar install' . PHP_EOL
     );
     exit(254);