diff --git a/package.json b/package.json
index e229e54..a7931d6 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,6 @@
     "cleverbot-node": "^0.3.11",
     "discord.js": "^12.5.2",
     "discord.js-commando": "^0.12.3",
-    "erlpack": "github:discord/erlpack",
     "fs-extra": "^9.1.0",
     "lodash": "^4.17.21",
     "mongodb": "^3.6.6",
@@ -17,5 +16,8 @@
     "sqlite3": "^5.0.2",
     "utf-8-validate": "^5.0.4",
     "zlib-sync": "^0.1.7"
+  },
+  "optionalDependencies": {
+    "erlpack": "github:discord/erlpack"
   }
 }