diff --git a/api/packages/crossword_repository/lib/src/crossword_repository.dart b/api/packages/crossword_repository/lib/src/crossword_repository.dart
index f9c1f226d..0228a09d3 100644
--- a/api/packages/crossword_repository/lib/src/crossword_repository.dart
+++ b/api/packages/crossword_repository/lib/src/crossword_repository.dart
@@ -142,7 +142,7 @@ class CrosswordRepository {
     );
 
     final document = snapshot.first;
-    final solvedWordsCount = document.data['value'] as int;
+    final solvedWordsCount = (document.data['value'] as num).toInt();
     final newValue = solvedWordsCount + 1;
 
     await _dbClient.update(
diff --git a/api/packages/game_domain/lib/src/models/point_converter.dart b/api/packages/game_domain/lib/src/models/point_converter.dart
index b201d51e6..50f9e01a5 100644
--- a/api/packages/game_domain/lib/src/models/point_converter.dart
+++ b/api/packages/game_domain/lib/src/models/point_converter.dart
@@ -11,8 +11,8 @@ class PointConverter extends JsonConverter<Point<int>, Map<String, dynamic>> {
   @override
   Point<int> fromJson(Map<String, dynamic> json) {
     return Point<int>(
-      json['x'] as int,
-      json['y'] as int,
+      (json['x'] as num).toInt(),
+      (json['y'] as num).toInt(),
     );
   }
 
diff --git a/api/packages/jwt_middleware/lib/src/jwt.dart b/api/packages/jwt_middleware/lib/src/jwt.dart
index c7f7f3b02..27565d439 100644
--- a/api/packages/jwt_middleware/lib/src/jwt.dart
+++ b/api/packages/jwt_middleware/lib/src/jwt.dart
@@ -76,12 +76,12 @@ class JWT {
       return false;
     }
     final nowSeconds = clock.now().millisecondsSinceEpoch ~/ 1000;
-    final exp = _payload['exp'] as int?;
-    final iat = _payload['iat'] as int?;
+    final exp = (_payload['exp'] as num?)?.toInt();
+    final iat = (_payload['iat'] as num?)?.toInt();
     final aud = _payload['aud'] as String?;
     final iss = _payload['iss'] as String?;
     final sub = _payload['sub'] as String?;
-    final authTime = _payload['auth_time'] as int?;
+    final authTime = (_payload['auth_time'] as num?)?.toInt();
     final userId = _payload['user_id'] as String?;
 
     if (exp == null ||
diff --git a/api/routes/board/sections/[sectionId]/index.dart b/api/routes/board/sections/[sectionId]/index.dart
index 292232b71..49fc09003 100644
--- a/api/routes/board/sections/[sectionId]/index.dart
+++ b/api/routes/board/sections/[sectionId]/index.dart
@@ -66,7 +66,7 @@ Future<Response> _onGroupPost(RequestContext request) async {
     final sections = body['sections'] as List;
     positions = sections
         .cast<Map<String, dynamic>>()
-        .map((e) => (e['x'] as int, e['y'] as int))
+        .map((e) => ((e['x'] as num).toInt(), (e['y'] as num).toInt()))
         .toList();
   } catch (e) {
     return Response(
diff --git a/packages/api_client/lib/src/resources/crossword_resource.dart b/packages/api_client/lib/src/resources/crossword_resource.dart
index 143a67bf3..1ca58b862 100644
--- a/packages/api_client/lib/src/resources/crossword_resource.dart
+++ b/packages/api_client/lib/src/resources/crossword_resource.dart
@@ -40,7 +40,7 @@ class CrosswordResource {
 
     try {
       final body = jsonDecode(response.body) as Map<String, dynamic>;
-      final points = body['points'] as int;
+      final points = (body['points'] as num).toInt();
       return points;
     } catch (error, stackTrace) {
       throw ApiClientError(
diff --git a/packages/api_client/lib/src/resources/hint_resource.dart b/packages/api_client/lib/src/resources/hint_resource.dart
index 759233a51..a3ce42bce 100644
--- a/packages/api_client/lib/src/resources/hint_resource.dart
+++ b/packages/api_client/lib/src/resources/hint_resource.dart
@@ -42,7 +42,7 @@ class HintResource {
     try {
       final body = jsonDecode(response.body) as Map<String, dynamic>;
       final hint = Hint.fromJson(body['hint'] as Map<String, dynamic>);
-      final maxHints = body['maxHints'] as int;
+      final maxHints = (body['maxHints'] as num).toInt();
       return (hint, maxHints);
     } catch (error, stackTrace) {
       throw ApiClientError(
@@ -79,7 +79,7 @@ class HintResource {
       final hints = (body['hints'] as List)
           .map((hint) => Hint.fromJson(hint as Map<String, dynamic>))
           .toList();
-      final maxHints = body['maxHints'] as int;
+      final maxHints = (body['maxHints'] as num).toInt();
       return (hints, maxHints);
     } catch (error, stackTrace) {
       throw ApiClientError(
diff --git a/packages/board_info_repository/lib/src/board_info_repository.dart b/packages/board_info_repository/lib/src/board_info_repository.dart
index 54f88a41d..294dbd73d 100644
--- a/packages/board_info_repository/lib/src/board_info_repository.dart
+++ b/packages/board_info_repository/lib/src/board_info_repository.dart
@@ -43,7 +43,7 @@ class BoardInfoRepository {
       return boardInfoCollection
           .where('type', isEqualTo: 'total_words_count')
           .snapshots()
-          .map((event) => event.docs.first.data()['value'] as int);
+          .map((event) => (event.docs.first.data()['value'] as num).toInt());
     } catch (error, stackStrace) {
       throw BoardInfoException(error, stackStrace);
     }
@@ -55,7 +55,7 @@ class BoardInfoRepository {
       return boardInfoCollection
           .where('type', isEqualTo: 'solved_words_count')
           .snapshots()
-          .map((event) => event.docs.first.data()['value'] as int);
+          .map((event) => (event.docs.first.data()['value'] as num).toInt());
     } catch (error, stackStrace) {
       throw BoardInfoException(error, stackStrace);
     }
@@ -69,7 +69,7 @@ class BoardInfoRepository {
           .get();
 
       final data = results.docs.first.data();
-      return data['value'] as int;
+      return (data['value'] as num).toInt();
     } catch (error, stackStrace) {
       throw BoardInfoException(error, stackStrace);
     }
@@ -83,7 +83,7 @@ class BoardInfoRepository {
           .get();
 
       final data = results.docs.first.data();
-      return data['value'] as double;
+      return (data['value'] as num).toDouble();
     } catch (error, stackStrace) {
       throw BoardInfoException(error, stackStrace);
     }