Defensive end of line.

bower.json

@@ -26,11 +26,11 @@
   ],
   "private": false,
   "dependencies": {
-    "amber": ">=0.19.0"
+    "amber": ">=0.19.0 <0.23.0"
   },
   "devDependencies": {
-    "amber": ">=0.19.2",
-    "amber-contrib-legacy": ">=0.5.0",
-    "helios": ">=0.8.0"
+    "amber": ">=0.19.2 <0.23.0",
+    "amber-contrib-legacy": ">=0.5.0 <0.7.0",
+    "helios": ">=0.8.0 <0.10.0"
   }
 }