diff --git a/package.json b/package.json
index 94ec6f1f5a..56e7ac43ec 100644
--- a/package.json
+++ b/package.json
@@ -71,8 +71,6 @@
     "grunt-download-electron": "^2.1.1",
     "grunt-electron": "^2.0.0",
     "grunt-electron-installer": "^1.0.4",
-    "grunt-electron-installer-debian": "^0.3.0",
-    "grunt-electron-installer-redhat": "^0.3.0",
     "grunt-electron-packager": "0.0.7",
     "grunt-if-missing": "^1.0.0",
     "grunt-newer": "^1.1.1",
@@ -89,5 +87,9 @@
     "run-sequence": "^1.0.2",
     "shell-escape": "^0.2.0",
     "source-map-support": "^0.3.2"
+  },
+  "optionalDependencies": {
+    "grunt-electron-installer-debian": "^0.3.0",
+    "grunt-electron-installer-redhat": "^0.3.0"
   }
 }