diff --git a/app/lib/core/data/data_singleton.dart b/app/lib/core/data/data_singleton.dart
index df88323..450f19e 100644
--- a/app/lib/core/data/data_singleton.dart
+++ b/app/lib/core/data/data_singleton.dart
@@ -16,7 +16,7 @@ class DataSingleton {
   List<String> gridData = [""];
   Map<String, Color> coloredLetters = {};
   int currentWordIndex = 0;
-  late DBConnection _mongo;
+  final DBConnection _mongo = DBConnection();
 
   factory DataSingleton() {
     return _dataSingleton;
@@ -81,6 +81,7 @@ class DataSingleton {
       }
     } else {
       _mongo.insertWord(secretWord, false);
+      _mongo.loseConnection();
       return LoseGameState();
     }
   }
diff --git a/app/lib/core/data/mongodb.dart b/app/lib/core/data/mongodb.dart
index c44f06e..b2701f0 100644
--- a/app/lib/core/data/mongodb.dart
+++ b/app/lib/core/data/mongodb.dart
@@ -17,6 +17,10 @@ class DBConnection {
   final String _dbName = "DATABASE NAME";
   final String _collectionName = "WordsTable";
 
+  DBConnection() {
+    startConnection();
+  }
+
   late Db _db;
   late final DbCollection _collection = _db.collection(_collectionName);
 
diff --git a/app/pubspec.lock b/app/pubspec.lock
index eb6d02e..1db238e 100644
--- a/app/pubspec.lock
+++ b/app/pubspec.lock
@@ -14,7 +14,7 @@ packages:
       name: basic_utils
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.5.2"
+    version: "3.9.4"
   bloc:
     dependency: "direct main"
     description:
@@ -30,12 +30,12 @@ packages:
     source: hosted
     version: "2.1.0"
   bson:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: bson
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "1.0.4"
   buffer:
     dependency: transitive
     description:
@@ -92,13 +92,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.4"
-  decimal:
-    dependency: transitive
-    description:
-      name: decimal
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.3.0"
   desktop_window:
     dependency: "direct main"
     description:
@@ -274,14 +267,14 @@ packages:
       name: mongo_dart
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.0-1.0.beta"
+    version: "0.7.4+1"
   mongo_dart_query:
     dependency: transitive
     description:
       name: mongo_dart_query
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "1.0.2"
   nested:
     dependency: transitive
     description:
@@ -421,7 +414,7 @@ packages:
       name: rational
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "1.2.1"
   sasl_scram:
     dependency: transitive
     description:
diff --git a/app/pubspec.yaml b/app/pubspec.yaml
index 3149abb..aa9abb9 100644
--- a/app/pubspec.yaml
+++ b/app/pubspec.yaml
@@ -23,7 +23,8 @@ dependencies:
   fullscreen: ^1.0.3
   file: ^6.1.4
   bloc: ^8.1.0
-  mongo_dart: ^0.8.0-1.0.beta
+  mongo_dart: ^0.7.4+1
+  bson: ^1.0.4
 
 dev_dependencies:
   flutter_test: