diff --git a/package.json b/package.json
index 81b4f3e..2a99ffa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nestjs-pact",
-  "version": "2.1.0",
+  "version": "2.1.1-alpha.0",
   "license": "MIT",
   "description": "Injectable Pact.js Consumer/Producer for NestJS",
   "keywords": [
@@ -62,7 +62,6 @@
     "eslint-plugin-import": "2.20.2",
     "eslint-plugin-jest": "^23.11.0",
     "eslint-plugin-prettier": "^3.1.3",
-    "get-port": "^5.1.1",
     "husky": "^4.3.5",
     "jest": "24.9.0",
     "jest-junit": "12.0.0",
@@ -81,8 +80,10 @@
   "peerDependencies": {
     "@nestjs/common": "7.x || 8.x",
     "@nestjs/core": "7.x || 8.x",
-    "@pact-foundation/pact": "^9.0.0",
-    "typescript": "^4.0.0"
+    "@pact-foundation/pact": "^9.0.0"
+  },
+  "dependencies": {
+    "get-port": "^5.1.1"
   },
   "lint-staged": {
     "*.ts": [
diff --git a/tsconfig.build.json b/tsconfig.build.json
index adb61ff..7117d86 100644
--- a/tsconfig.build.json
+++ b/tsconfig.build.json
@@ -2,6 +2,7 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "incremental": false,
+    "sourceMap": true,
     "baseUrl": "./",
     "rootDir": "./src",
     "outDir": "./dist"