Upgrade composer dependency

castarco · web-flow · commit b0f428344efe · 2017-05-03T07:02:02.000+02:00
diff --git a/composer.json b/composer.json
@@ -6,7 +6,7 @@
     "require": {
         "php": ">=7.0.0",
         "ext-zmq": "*",
-        "composer/composer": "^1.3.1",
+        "composer/composer": "^1.4",
         "monolog/monolog": "^1.22",
         "psy/psysh": "^0.8",
         "ramsey/uuid": "^3.5",
