diff --git a/CHANGELOG.md b/CHANGELOG.md
index df07495..f44f589 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 7.1.0
+* allow mime 2.0.0 and intl up to 0.21.0
+  Thanks https://github.com/karelklic
+
 ## 7.0.0
 * Major Refactoring: Simplified library structure and standardized exports.
   - Renamed internal `IR` classes to `Mime`.
diff --git a/lib/src/core/message.dart b/lib/src/core/message.dart
index 95723d4..c5d89ad 100644
--- a/lib/src/core/message.dart
+++ b/lib/src/core/message.dart
@@ -49,12 +49,12 @@ class Message {
   List<dynamic> bccRecipients = [];
   Iterable<Address> get bccsAsAddresses => _asAddresses(bccRecipients);
 
-  /// Allowed values are String, Address, Iterable<Address>, Iterable<String> or
-  /// DateTime.
+  /// Allowed values are `String`, `Address`, `Iterable<Address>`, `Iterable<String>` or
+  /// `DateTime`.
   ///
-  /// Iterable<String> is only allowed if all Strings are email-addresses.
+  /// `Iterable<String>` is only allowed if all Strings are email-addresses.
   ///
-  /// If a String contains an @ it is treated like an email-address.
+  /// If a String contains an `@` it is treated like an email-address.
   ///
   /// There is no parsing for name / mail-address pairs!
   /// Always use Address in this case.  (Otherwise we might incorrectly encode
diff --git a/pubspec.yaml b/pubspec.yaml
index 96005eb..6ce166a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: mailer
-version: 7.0.0
+version: 7.1.0
 description: >
   Compose and send emails from Dart.
   Supports file attachments and HTML emails.
@@ -13,16 +13,16 @@ dependencies:
   async: '^2.11.0'
   crypto: '^3.0.3'
   logging: '^1.2.0'
-  intl: '^0.19.0'
-  mime: '^1.0.5'
+  intl: '>=0.19.0 <0.21.0'
+  mime: '>=1.0.5 <3.0.0'
   path: '^1.8.3'
   meta: '^1.11.0'
   punycoder: '^0.2.2'
   unorm_dart: '^0.3.2'
 
 dev_dependencies:
-  args: '^2.4.2'
-  test: '^1.25.0'
-  googleapis_auth: '^1.4.1'
-  http: '^1.2.0'
-  lints: '^3.0.0'
+  args: '^2.7.0'
+  test: '^1.29.0'
+  googleapis_auth: '>=1.4.1 <3.0.0'
+  http: '^1.6.0'
+  lints: '>=3.0.0 <7.0.0'
diff --git a/test/message_out_test.dart b/test/message_out_test.dart
index 2282f7b..3f8af39 100644
--- a/test/message_out_test.dart
+++ b/test/message_out_test.dart
@@ -1,4 +1,4 @@
-library message_out_test;
+library;
 
 import 'dart:convert';
 import 'dart:io';