Update composer.json

Author: Eugene Matvejev

composer.json

@@ -30,7 +30,7 @@
     },
     "require": {
         "php": ">= 5.6.0 || 7.0.0 - 7.0.4 || >= 7.0.6",
-        "eugene-matvejev/compass": "self.version",
+        "eugene-matvejev/compass": "^0.1",
         "leafo/lessphp": "^0.5"
     },
     "require-dev": {