diff --git a/lib/features/base/upgradeable/upgrade_hive_database_steps_v21.dart b/lib/features/base/upgradeable/upgrade_hive_database_steps_v21.dart
new file mode 100644
index 000000000..040615622
--- /dev/null
+++ b/lib/features/base/upgradeable/upgrade_hive_database_steps_v21.dart
@@ -0,0 +1,19 @@
+import 'package:core/utils/platform_info.dart';
+import 'package:tmail_ui_user/features/base/upgradeable/upgrade_database_steps.dart';
+import 'package:tmail_ui_user/features/caching/caching_manager.dart';
+
+class UpgradeHiveDatabaseStepsV21 extends UpgradeDatabaseSteps {
+  final CachingManager _cachingManager;
+
+  UpgradeHiveDatabaseStepsV21(this._cachingManager);
+
+  @override
+  Future<void> onUpgrade(int oldVersion, int newVersion) async {
+    if (oldVersion > 0 &&
+        oldVersion < newVersion &&
+        newVersion == 21 &&
+        PlatformInfo.isMobile) {
+      await _cachingManager.clearDetailedEmailCache();
+    }
+  }
+}
diff --git a/lib/features/caching/config/cache_version.dart b/lib/features/caching/config/cache_version.dart
index 4baefba51..9c4ce1e03 100644
--- a/lib/features/caching/config/cache_version.dart
+++ b/lib/features/caching/config/cache_version.dart
@@ -1,4 +1,4 @@
 
 class CacheVersion {
-  static const int hiveDBVersion = 20;
+  static const int hiveDBVersion = 21;
 }
\ No newline at end of file
diff --git a/lib/features/caching/config/hive_cache_config.dart b/lib/features/caching/config/hive_cache_config.dart
index 1cc49a077..2826b0af8 100644
--- a/lib/features/caching/config/hive_cache_config.dart
+++ b/lib/features/caching/config/hive_cache_config.dart
@@ -17,6 +17,7 @@ import 'package:tmail_ui_user/features/base/upgradeable/upgrade_hive_database_st
 import 'package:tmail_ui_user/features/base/upgradeable/upgrade_hive_database_steps_v18.dart';
 import 'package:tmail_ui_user/features/base/upgradeable/upgrade_hive_database_steps_v19.dart';
 import 'package:tmail_ui_user/features/base/upgradeable/upgrade_hive_database_steps_v20.dart';
+import 'package:tmail_ui_user/features/base/upgradeable/upgrade_hive_database_steps_v21.dart';
 import 'package:tmail_ui_user/features/base/upgradeable/upgrade_hive_database_steps_v7.dart';
 import 'package:tmail_ui_user/features/caching/caching_manager.dart';
 import 'package:tmail_ui_user/features/caching/config/cache_version.dart';
@@ -97,6 +98,7 @@ class HiveCacheConfig {
     await UpgradeHiveDatabaseStepsV18(cachingManager).onUpgrade(oldVersion, newVersion);
     await UpgradeHiveDatabaseStepsV19(cachingManager).onUpgrade(oldVersion, newVersion);
     await UpgradeHiveDatabaseStepsV20(cachingManager).onUpgrade(oldVersion, newVersion);
+    await UpgradeHiveDatabaseStepsV21(cachingManager).onUpgrade(oldVersion, newVersion);
 
     if (oldVersion != newVersion) {
       await cachingManager.storeCacheVersion(newVersion);