diff --git a/angular.json b/angular.json
index 28d55bc..4b7bf67 100644
--- a/angular.json
+++ b/angular.json
@@ -18,8 +18,13 @@
                         "main": "src/main.ts",
                         "polyfills": "src/polyfills.ts",
                         "tsConfig": "tsconfig.app.json",
-                        "assets": ["src/favicon.ico", "src/assets"],
-                        "styles": ["src/styles.css"],
+                        "assets": [
+                            "src/favicon.ico",
+                            "src/assets"
+                        ],
+                        "styles": [
+                            "src/styles.css"
+                        ],
                         "scripts": [],
                         "vendorChunk": true,
                         "extractLicenses": false,
@@ -86,16 +91,27 @@
                         "polyfills": "src/polyfills.ts",
                         "tsConfig": "tsconfig.spec.json",
                         "karmaConfig": "karma.conf.js",
-                        "assets": ["src/favicon.ico", "src/assets"],
-                        "styles": ["src/styles.css"],
+                        "assets": [
+                            "src/favicon.ico",
+                            "src/assets"
+                        ],
+                        "styles": [
+                            "src/styles.css"
+                        ],
                         "scripts": []
                     }
                 },
                 "lint": {
                     "builder": "@angular-devkit/build-angular:tslint",
                     "options": {
-                        "tsConfig": ["tsconfig.app.json", "tsconfig.spec.json", "e2e/tsconfig.json"],
-                        "exclude": ["**/node_modules/**"]
+                        "tsConfig": [
+                            "tsconfig.app.json",
+                            "tsconfig.spec.json",
+                            "e2e/tsconfig.json"
+                        ],
+                        "exclude": [
+                            "**/node_modules/**"
+                        ]
                     }
                 },
                 "e2e": {
@@ -124,10 +140,16 @@
                 "build": {
                     "builder": "@angular-devkit/build-angular:ng-packagr",
                     "options": {
-                        "tsConfig": "projects/fab-speed-dial/tsconfig.lib.json",
                         "project": "projects/fab-speed-dial/ng-package.json"
                     },
-                    "configurations": {}
+                    "configurations": {
+                        "production": {
+                            "tsConfig": "projects/fab-speed-dial/tsconfig.lib.prod.json"
+                        },
+                        "development": {
+                            "tsConfig": "projects/fab-speed-dial/tsconfig.lib.json"
+                        }
+                    }
                 },
                 "test": {
                     "builder": "@angular-devkit/build-angular:karma",
@@ -144,7 +166,9 @@
                             "projects/fab-speed-dial/tsconfig.lib.json",
                             "projects/fab-speed-dial/tsconfig.spec.json"
                         ],
-                        "exclude": ["**/node_modules/**"]
+                        "exclude": [
+                            "**/node_modules/**"
+                        ]
                     }
                 }
             }