diff --git a/packages/neon_framework/lib/src/utils/request_manager.dart b/packages/neon_framework/lib/src/utils/request_manager.dart
index ebc34ef83d5..d3b01195192 100644
--- a/packages/neon_framework/lib/src/utils/request_manager.dart
+++ b/packages/neon_framework/lib/src/utils/request_manager.dart
@@ -5,7 +5,7 @@ import 'package:built_value/serializer.dart';
 import 'package:dynamite_runtime/http_client.dart';
 import 'package:flutter/foundation.dart';
 import 'package:http/http.dart' as http;
-import 'package:intl/intl.dart';
+import 'package:http_parser/http_parser.dart';
 import 'package:logging/logging.dart';
 import 'package:meta/meta.dart';
 import 'package:neon_framework/models.dart';
@@ -44,10 +44,6 @@ const kMaxTries = 3;
 /// Requests that take longer than this duration will be canceled.
 const kDefaultTimeout = Duration(seconds: 30);
 
-/// Implements https://www.rfc-editor.org/rfc/rfc9110#name-date-time-formats
-@visibleForTesting
-final httpDateFormat = DateFormat('E, d MMM yyyy HH:mm:ss v', 'en_US');
-
 /// A singleton class that handles requests to the Nextcloud API.
 ///
 /// Requests need to be made through the [nextcloud](https://pub.dev/packages/nextcloud)
@@ -369,7 +365,7 @@ class CacheParameters {
 
   /// Parse the cache parameters from HTTP response headers.
   factory CacheParameters.parseHeaders(Map<String, dynamic> headers) {
-    final expiry = headers.containsKey('expires') ? httpDateFormat.parse(headers['expires']! as String) : null;
+    final expiry = headers.containsKey('expires') ? parseHttpDate(headers['expires']! as String) : null;
     return CacheParameters(
       etag: headers['etag'] as String?,
       expires: _isExpired(expiry) ? null : expiry,
diff --git a/packages/neon_framework/pubspec.yaml b/packages/neon_framework/pubspec.yaml
index 7df3be7fc9d..2de7559d045 100644
--- a/packages/neon_framework/pubspec.yaml
+++ b/packages/neon_framework/pubspec.yaml
@@ -31,6 +31,7 @@ dependencies:
   flutter_zxing: ^1.0.0
   go_router: ^13.0.0
   http: ^1.0.0
+  http_parser: ^4.0.0
   image: ^4.0.0
   intersperse: ^2.0.0
   intl: ^0.18.0
diff --git a/packages/neon_framework/test/request_manager_test.dart b/packages/neon_framework/test/request_manager_test.dart
index 6f2368961fc..2f350c66aed 100644
--- a/packages/neon_framework/test/request_manager_test.dart
+++ b/packages/neon_framework/test/request_manager_test.dart
@@ -8,6 +8,7 @@ import 'package:built_value/serializer.dart';
 import 'package:dynamite_runtime/http_client.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:http/http.dart';
+import 'package:http_parser/http_parser.dart';
 import 'package:mocktail/mocktail.dart';
 import 'package:neon_framework/src/bloc/result.dart';
 import 'package:neon_framework/src/utils/request_manager.dart';
@@ -681,7 +682,7 @@ void main() {
 
       test('cache ETag and Expires', () async {
         for (final (hours, isSet) in [(1, true), (-1, false)]) {
-          var newExpires = DateTime.now().add(Duration(hours: hours));
+          var newExpires = DateTime.timestamp().add(Duration(hours: hours));
           // Only precise to the second is allowed.
           newExpires = newExpires.subtract(
             Duration(
@@ -713,7 +714,7 @@ void main() {
               headers: {},
               rawHeaders: {
                 'etag': 'a',
-                'expires': httpDateFormat.format(newExpires),
+                'expires': formatHttpDate(newExpires),
               },
             ),
             unwrap: (rawResponse) => rawResponse.body,