diff --git a/package.json b/package.json
index 6027568..cab7584 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "build": "yarn clean && tsc",
     "format": "prettier --write {src,test}/**/*.ts",
     "lint": "tslint --project . src/**/*.ts",
-    "prepare": "install-self-peers -- --ignore-scripts",
+    "prepare": "install-self-peers --npm -- --ignore-scripts --no-save",
     "test": "jest --coverage",
     "test:watch": "jest --watch",
     "semantic-release": "semantic-release"
@@ -41,13 +41,12 @@
     "typescript": "^3.7.2"
   },
   "dependencies": {
-    "aws-lambda": "^1.0.5",
     "class-validator-jsonschema": "^1.3.0",
     "http-status-codes": "^1.4.0",
-    "reflect-metadata": "^0.1.13",
     "winston": "^3.2.1"
   },
   "peerDependencies": {
+    "reflect-metadata": "^0.1.13",
     "class-transformer": "^0.2.3",
     "class-validator": "^0.9.1"
   }