diff --git a/package-lock.json b/package-lock.json
index feef54f..4501637 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,6 +35,10 @@
         "karma-jasmine": "~4.0.0",
         "karma-jasmine-html-reporter": "^1.5.0",
         "typescript": "~4.2.3"
+      },
+      "engines": {
+        "node": "~16.1.0",
+        "npm": "~7.18.1"
       }
     },
     "node_modules/@angular-devkit/architect": {
@@ -3136,9 +3140,9 @@
       }
     },
     "node_modules/babel-loader/node_modules/loader-utils": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.0.tgz",
-      "integrity": "sha512-qH0WSMBtn/oHuwjy/NucEgbx5dbxxnxup9s4PVXJUDHZBQY+s0NWA9rJf53RBnQZxfch7euUui7hpoAPvALZdA==",
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.2.tgz",
+      "integrity": "sha512-I5d00Pd/jwMD2QCduo657+YM/6L3KZu++pmX9VFncxaxvHcru9jx1lBaFft+r4Mt2jK0Yhp41XlRAihzPxHNCg==",
       "dev": true,
       "dependencies": {
         "big.js": "^5.2.2",
@@ -18417,9 +18421,9 @@
           }
         },
         "loader-utils": {
-          "version": "1.4.0",
-          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.0.tgz",
-          "integrity": "sha512-qH0WSMBtn/oHuwjy/NucEgbx5dbxxnxup9s4PVXJUDHZBQY+s0NWA9rJf53RBnQZxfch7euUui7hpoAPvALZdA==",
+          "version": "1.4.2",
+          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.2.tgz",
+          "integrity": "sha512-I5d00Pd/jwMD2QCduo657+YM/6L3KZu++pmX9VFncxaxvHcru9jx1lBaFft+r4Mt2jK0Yhp41XlRAihzPxHNCg==",
           "dev": true,
           "requires": {
             "big.js": "^5.2.2",