diff --git a/package-lock.json b/package-lock.json
old mode 100755
new mode 100644
index 7781748fa..637dc7a62
--- a/package-lock.json
+++ b/package-lock.json
@@ -2932,6 +2932,12 @@
       "integrity": "sha1-9dJgKStmDghO/0zbyfCK0yR0SLU=",
       "dev": true
     },
+    "deep-freeze-strict": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/deep-freeze-strict/-/deep-freeze-strict-1.1.1.tgz",
+      "integrity": "sha1-d9BYPKJKab5LvZrC+uQV1VUj5bA=",
+      "dev": true
+    },
     "deep-is": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
@@ -8246,6 +8252,15 @@
       "dev": true,
       "optional": true
     },
+    "ngrx-store-freeze": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/ngrx-store-freeze/-/ngrx-store-freeze-0.2.1.tgz",
+      "integrity": "sha512-nQZJoyR03OqGR0dWWqIJgzkMj+99xnFgIY35Z5UXVhLEIfvk4HjuQ/iIeQU1dLHmZ8NnUDRFcrEthCSvE4eAWQ==",
+      "dev": true,
+      "requires": {
+        "deep-freeze-strict": "1.1.1"
+      }
+    },
     "no-case": {
       "version": "2.3.2",
       "resolved": "https://registry.npmjs.org/no-case/-/no-case-2.3.2.tgz",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index e1711b369..6a1e8df30
--- a/package.json
+++ b/package.json
@@ -60,6 +60,7 @@
     "karma-jasmine-html-reporter": "^0.2.2",
     "karma-phantomjs-launcher": "^1.0.4",
     "karma-spec-reporter": "0.0.31",
+    "ngrx-store-freeze": "^0.2.1",
     "prettier": "^1.7.4",
     "protractor": "~5.3.0",
     "standard-version": "^4.2.0",
diff --git a/src/app/core/core.module.ts b/src/app/core/core.module.ts
index c676c65d9..2c85f53b0 100644
--- a/src/app/core/core.module.ts
+++ b/src/app/core/core.module.ts
@@ -3,6 +3,7 @@ import { CommonModule } from '@angular/common';
 import { HttpClientModule } from '@angular/common/http';
 import { MetaReducer, StoreModule } from '@ngrx/store';
 import { EffectsModule } from '@ngrx/effects';
+import { storeFreeze } from 'ngrx-store-freeze';
 
 import { environment } from '@env/environment';
 
@@ -16,7 +17,7 @@ import { AuthGuardService } from './auth/auth-guard.service';
 export const metaReducers: MetaReducer<any>[] = [initStateFromLocalStorage];
 
 if (!environment.production) {
-  metaReducers.unshift(debug);
+  metaReducers.unshift(debug, storeFreeze);
 }
 
 @NgModule({