diff --git a/assets/translations/en.json b/assets/translations/en.json
index 7c518067..c35ff0b5 100644
--- a/assets/translations/en.json
+++ b/assets/translations/en.json
@@ -39,6 +39,7 @@
         "please_connect": "Please connect your server, domain and DNS provider to dive in!",
         "network_error": "Network error",
         "feature_unsupported_on_api_version": "This feature is only supported on server version {versionConstraint}. Your server is on version {currentVersion}.",
+        "server_is_outdated": "This SelfPrivacy version requires API version {versionConstraint}, but your server is on version {currentVersion}. Some features won't work and errors might occur. Please upgrade your server.",
         "error": "Error"
     },
     "more_page": {
diff --git a/lib/config/bloc_config.dart b/lib/config/bloc_config.dart
index 293d85d4..e8fff195 100644
--- a/lib/config/bloc_config.dart
+++ b/lib/config/bloc_config.dart
@@ -3,6 +3,7 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:selfprivacy/logic/bloc/backups/backups_bloc.dart';
 import 'package:selfprivacy/logic/bloc/connection_status_bloc.dart';
 import 'package:selfprivacy/logic/bloc/devices/devices_bloc.dart';
+import 'package:selfprivacy/logic/bloc/outdated_server_checker/outdated_server_checker_bloc.dart';
 import 'package:selfprivacy/logic/bloc/recovery_key/recovery_key_bloc.dart';
 import 'package:selfprivacy/logic/bloc/server_jobs/server_jobs_bloc.dart';
 import 'package:selfprivacy/logic/bloc/server_logs/server_logs_bloc.dart';
@@ -38,6 +39,7 @@ class BlocAndProviderConfigState extends State<BlocAndProviderConfig> {
   late final ServerDetailsCubit serverDetailsCubit;
   late final VolumesBloc volumesBloc;
   late final ServerLogsBloc serverLogsBloc;
+  late final OutdatedServerCheckerBloc outdatedServerCheckerBloc;
 
   @override
   void initState() {
@@ -55,6 +57,7 @@ class BlocAndProviderConfigState extends State<BlocAndProviderConfig> {
     serverDetailsCubit = ServerDetailsCubit();
     volumesBloc = VolumesBloc();
     serverLogsBloc = ServerLogsBloc();
+    outdatedServerCheckerBloc = OutdatedServerCheckerBloc();
   }
 
   @override
@@ -100,6 +103,9 @@ class BlocAndProviderConfigState extends State<BlocAndProviderConfig> {
           BlocProvider(
             create: (final _) => serverLogsBloc,
           ),
+          BlocProvider(
+            create: (final _) => outdatedServerCheckerBloc,
+          ),
         ],
         child: widget.child,
       );
diff --git a/lib/logic/bloc/outdated_server_checker/outdated_server_checker_bloc.dart b/lib/logic/bloc/outdated_server_checker/outdated_server_checker_bloc.dart
new file mode 100644
index 00000000..13969931
--- /dev/null
+++ b/lib/logic/bloc/outdated_server_checker/outdated_server_checker_bloc.dart
@@ -0,0 +1,49 @@
+import 'dart:async';
+
+import 'package:equatable/equatable.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:pub_semver/pub_semver.dart';
+import 'package:selfprivacy/config/get_it_config.dart';
+
+part 'outdated_server_checker_event.dart';
+part 'outdated_server_checker_state.dart';
+
+const String requiredServerVersion = '>=3.3.0';
+
+class OutdatedServerCheckerBloc
+    extends Bloc<OutdatedServerCheckerEvent, OutdatedServerCheckerState> {
+  OutdatedServerCheckerBloc() : super(OutdatedServerCheckerInitial()) {
+    on<ServerApiVersionChanged>((final event, final emit) {
+      if (event.newVersion == null) {
+        emit(OutdatedServerCheckerInitial());
+        return;
+      }
+      final requiredVersion = VersionConstraint.parse(requiredServerVersion);
+      final currentVersion = Version.parse(event.newVersion!);
+      if (requiredVersion.allows(currentVersion)) {
+        emit(OutdatedServerCheckerUpToDate(currentVersion));
+      } else {
+        emit(OutdatedServerCheckerOutdated(currentVersion));
+      }
+    });
+
+    _apiDataSubscription = getIt<ApiConnectionRepository>().dataStream.listen(
+      (final ApiData apiData) {
+        add(ServerApiVersionChanged(apiData.apiVersion.data));
+      },
+    );
+  }
+
+  @override
+  Future<void> close() {
+    _apiDataSubscription.cancel();
+    return super.close();
+  }
+
+  @override
+  void onChange(final Change<OutdatedServerCheckerState> change) {
+    super.onChange(change);
+  }
+
+  late StreamSubscription _apiDataSubscription;
+}
diff --git a/lib/logic/bloc/outdated_server_checker/outdated_server_checker_event.dart b/lib/logic/bloc/outdated_server_checker/outdated_server_checker_event.dart
new file mode 100644
index 00000000..63a2c9e9
--- /dev/null
+++ b/lib/logic/bloc/outdated_server_checker/outdated_server_checker_event.dart
@@ -0,0 +1,14 @@
+part of 'outdated_server_checker_bloc.dart';
+
+sealed class OutdatedServerCheckerEvent extends Equatable {
+  const OutdatedServerCheckerEvent();
+}
+
+class ServerApiVersionChanged extends OutdatedServerCheckerEvent {
+  const ServerApiVersionChanged(this.newVersion);
+
+  final String? newVersion;
+
+  @override
+  List<Object?> get props => [newVersion];
+}
diff --git a/lib/logic/bloc/outdated_server_checker/outdated_server_checker_state.dart b/lib/logic/bloc/outdated_server_checker/outdated_server_checker_state.dart
new file mode 100644
index 00000000..18f5b53f
--- /dev/null
+++ b/lib/logic/bloc/outdated_server_checker/outdated_server_checker_state.dart
@@ -0,0 +1,31 @@
+part of 'outdated_server_checker_bloc.dart';
+
+sealed class OutdatedServerCheckerState extends Equatable {
+  const OutdatedServerCheckerState();
+
+  VersionConstraint get requiredVersion =>
+      VersionConstraint.parse(requiredServerVersion);
+}
+
+final class OutdatedServerCheckerInitial extends OutdatedServerCheckerState {
+  @override
+  List<Object> get props => [];
+}
+
+final class OutdatedServerCheckerOutdated extends OutdatedServerCheckerState {
+  const OutdatedServerCheckerOutdated(this.currentVersion);
+
+  final Version currentVersion;
+
+  @override
+  List<Object> get props => [currentVersion];
+}
+
+final class OutdatedServerCheckerUpToDate extends OutdatedServerCheckerState {
+  const OutdatedServerCheckerUpToDate(this.currentVersion);
+
+  final Version currentVersion;
+
+  @override
+  List<Object> get props => [currentVersion];
+}
diff --git a/lib/ui/components/server_outdated_card/server_outdated_card.dart b/lib/ui/components/server_outdated_card/server_outdated_card.dart
new file mode 100644
index 00000000..e6fbc21b
--- /dev/null
+++ b/lib/ui/components/server_outdated_card/server_outdated_card.dart
@@ -0,0 +1,39 @@
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flutter/material.dart';
+import 'package:selfprivacy/ui/components/cards/filled_card.dart';
+
+class ServerOutdatedCard extends StatelessWidget {
+  const ServerOutdatedCard({
+    required this.requiredVersion,
+    required this.currentVersion,
+    super.key,
+  });
+
+  final String requiredVersion;
+  final String currentVersion;
+
+  @override
+  Widget build(final BuildContext context) => FilledCard(
+        error: true,
+        child: ListTile(
+          contentPadding:
+              const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+          title: Text(
+            'basis.server_is_outdated'.tr(
+              namedArgs: {
+                'versionConstraint': requiredVersion,
+                'currentVersion': currentVersion,
+              },
+            ),
+            style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                  color: Theme.of(context).colorScheme.onErrorContainer,
+                ),
+          ),
+          trailing: Icon(
+            Icons.error_outline,
+            size: 16,
+            color: Theme.of(context).colorScheme.onTertiaryContainer,
+          ),
+        ),
+      );
+}
diff --git a/lib/ui/pages/providers/providers.dart b/lib/ui/pages/providers/providers.dart
index 8e70e609..c576b1e0 100644
--- a/lib/ui/pages/providers/providers.dart
+++ b/lib/ui/pages/providers/providers.dart
@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:gap/gap.dart';
 import 'package:selfprivacy/config/brand_theme.dart';
 import 'package:selfprivacy/logic/bloc/backups/backups_bloc.dart';
+import 'package:selfprivacy/logic/bloc/outdated_server_checker/outdated_server_checker_bloc.dart';
 import 'package:selfprivacy/logic/bloc/volumes/volumes_bloc.dart';
 import 'package:selfprivacy/logic/cubit/dns_records/dns_records_cubit.dart';
 import 'package:selfprivacy/logic/cubit/server_installation/server_installation_cubit.dart';
@@ -12,6 +13,7 @@ import 'package:selfprivacy/ui/components/brand_header/brand_header.dart';
 import 'package:selfprivacy/ui/components/brand_icons/brand_icons.dart';
 import 'package:selfprivacy/ui/components/icon_status_mask/icon_status_mask.dart';
 import 'package:selfprivacy/ui/components/not_ready_card/not_ready_card.dart';
+import 'package:selfprivacy/ui/components/server_outdated_card/server_outdated_card.dart';
 import 'package:selfprivacy/ui/router/router.dart';
 import 'package:selfprivacy/utils/breakpoints.dart';
 
@@ -40,6 +42,9 @@ class _ProvidersPageState extends State<ProvidersPage> {
     final ServerInstallationState appConfig =
         context.watch<ServerInstallationCubit>().state;
 
+    final OutdatedServerCheckerState outdatedServerCheckerState =
+        context.watch<OutdatedServerCheckerBloc>().state;
+
     StateType getServerStatus() {
       if (!isReady) {
         return StateType.uninitialized;
@@ -76,6 +81,15 @@ class _ProvidersPageState extends State<ProvidersPage> {
             const NotReadyCard(),
             const SizedBox(height: 16),
           ],
+          if (outdatedServerCheckerState is OutdatedServerCheckerOutdated) ...[
+            ServerOutdatedCard(
+              requiredVersion:
+                  outdatedServerCheckerState.requiredVersion.toString(),
+              currentVersion:
+                  outdatedServerCheckerState.currentVersion.toString(),
+            ),
+            const SizedBox(height: 16),
+          ],
           _Card(
             state: getServerStatus(),
             icon: BrandIcons.server,
diff --git a/lib/ui/pages/services/services.dart b/lib/ui/pages/services/services.dart
index 15a1b3d9..2662ec09 100644
--- a/lib/ui/pages/services/services.dart
+++ b/lib/ui/pages/services/services.dart
@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:gap/gap.dart';
 import 'package:selfprivacy/config/brand_theme.dart';
+import 'package:selfprivacy/logic/bloc/outdated_server_checker/outdated_server_checker_bloc.dart';
 import 'package:selfprivacy/logic/bloc/services/services_bloc.dart';
 import 'package:selfprivacy/logic/cubit/server_installation/server_installation_cubit.dart';
 import 'package:selfprivacy/logic/models/service.dart';
@@ -11,6 +12,7 @@ import 'package:selfprivacy/logic/models/state_types.dart';
 import 'package:selfprivacy/ui/components/brand_header/brand_header.dart';
 import 'package:selfprivacy/ui/components/brand_icons/brand_icons.dart';
 import 'package:selfprivacy/ui/components/icon_status_mask/icon_status_mask.dart';
+import 'package:selfprivacy/ui/components/server_outdated_card/server_outdated_card.dart';
 import 'package:selfprivacy/ui/helpers/empty_page_placeholder.dart';
 import 'package:selfprivacy/ui/router/router.dart';
 import 'package:selfprivacy/utils/breakpoints.dart';
@@ -31,6 +33,9 @@ class _ServicesPageState extends State<ServicesPage> {
     final isReady = context.watch<ServerInstallationCubit>().state
         is ServerInstallationFinished;
 
+    final OutdatedServerCheckerState outdatedServerCheckerState =
+        context.watch<OutdatedServerCheckerBloc>().state;
+
     final services = [...context.watch<ServicesBloc>().state.services];
     services
         .sort((final a, final b) => a.status.index.compareTo(b.status.index));
@@ -53,6 +58,16 @@ class _ServicesPageState extends State<ServicesPage> {
               child: ListView(
                 padding: paddingH15V0,
                 children: [
+                  if (outdatedServerCheckerState
+                      is OutdatedServerCheckerOutdated) ...[
+                    ServerOutdatedCard(
+                      requiredVersion:
+                          outdatedServerCheckerState.requiredVersion.toString(),
+                      currentVersion:
+                          outdatedServerCheckerState.currentVersion.toString(),
+                    ),
+                    const SizedBox(height: 16),
+                  ],
                   Text(
                     'basis.services_title'.tr(),
                     style: Theme.of(context).textTheme.bodyLarge,
diff --git a/lib/ui/pages/users/users.dart b/lib/ui/pages/users/users.dart
index ea282f95..edaf2974 100644
--- a/lib/ui/pages/users/users.dart
+++ b/lib/ui/pages/users/users.dart
@@ -4,6 +4,7 @@ import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:selfprivacy/config/brand_theme.dart';
 import 'package:selfprivacy/config/get_it_config.dart';
+import 'package:selfprivacy/logic/bloc/outdated_server_checker/outdated_server_checker_bloc.dart';
 import 'package:selfprivacy/logic/bloc/users/users_bloc.dart';
 import 'package:selfprivacy/logic/cubit/client_jobs/client_jobs_cubit.dart';
 import 'package:selfprivacy/logic/cubit/forms/factories/field_cubit_factory.dart';
@@ -20,6 +21,7 @@ import 'package:selfprivacy/ui/components/buttons/outlined_button.dart';
 import 'package:selfprivacy/ui/components/cards/filled_card.dart';
 import 'package:selfprivacy/ui/components/info_box/info_box.dart';
 import 'package:selfprivacy/ui/components/list_tiles/list_tile_on_surface_variant.dart';
+import 'package:selfprivacy/ui/components/server_outdated_card/server_outdated_card.dart';
 import 'package:selfprivacy/ui/helpers/empty_page_placeholder.dart';
 import 'package:selfprivacy/ui/layouts/brand_hero_screen.dart';
 import 'package:selfprivacy/ui/router/router.dart';
@@ -42,6 +44,9 @@ class UsersPage extends StatelessWidget {
         is ServerInstallationFinished;
     Widget child;
 
+    final OutdatedServerCheckerState outdatedServerCheckerState =
+        context.watch<OutdatedServerCheckerBloc>().state;
+
     if (!isReady) {
       child = EmptyPagePlaceholder(
         showReadyCard: true,
@@ -93,6 +98,18 @@ class UsersPage extends StatelessWidget {
             },
             child: Column(
               children: [
+                if (outdatedServerCheckerState
+                    is OutdatedServerCheckerOutdated) ...[
+                  Padding(
+                    padding: const EdgeInsets.symmetric(horizontal: 16.0),
+                    child: ServerOutdatedCard(
+                      requiredVersion:
+                          outdatedServerCheckerState.requiredVersion.toString(),
+                      currentVersion:
+                          outdatedServerCheckerState.currentVersion.toString(),
+                    ),
+                  ),
+                ],
                 Padding(
                   padding: const EdgeInsets.all(8.0),
                   child: FilledButton.tonal(