diff --git a/lib/cpu_level_page.dart b/lib/cpu_level_page.dart
index 05a5a71b86a3161b0a4da03f6a7f21841755e0b0..0554af0e844af689ca8be72e65dcd761287bc14e 100644
--- a/lib/cpu_level_page.dart
+++ b/lib/cpu_level_page.dart
@@ -26,7 +26,7 @@ class CpuLevelPage extends StatelessWidget {
                 '☺️ FACILE',
                 style: Theme.of(context)
                     .textTheme
-                    .display1
+                    .headline4
                     .copyWith(color: Colors.black),
               ),
               onPressed: () {
@@ -48,7 +48,7 @@ class CpuLevelPage extends StatelessWidget {
                 'πŸ€” DIFFICILE',
                 style: Theme.of(context)
                     .textTheme
-                    .display1
+                    .headline4
                     .copyWith(color: Colors.white),
               ),
               onPressed: () {
@@ -70,7 +70,7 @@ class CpuLevelPage extends StatelessWidget {
                 '🀯 TRES DIFFICILE',
                 style: Theme.of(context)
                     .textTheme
-                    .display1
+                    .headline4
                     .copyWith(color: Colors.white),
               ),
               onPressed: () {
diff --git a/lib/home_page.dart b/lib/home_page.dart
index b1b865ad14e18a341db249e082d414b761166903..7676f7eda26246c55bd6700b9395a76b648669c2 100644
--- a/lib/home_page.dart
+++ b/lib/home_page.dart
@@ -23,7 +23,7 @@ class HomePage extends StatelessWidget {
                 'πŸ§‘ 2 JOUEURS πŸ§‘',
                 style: Theme.of(context)
                     .textTheme
-                    .display1
+                    .headline4
                     .copyWith(color: Colors.white),
               ),
               onPressed: () {
@@ -43,7 +43,7 @@ class HomePage extends StatelessWidget {
                 'πŸ§‘ 1 JOUEUR πŸ€–',
                 style: Theme.of(context)
                     .textTheme
-                    .display1
+                    .headline4
                     .copyWith(color: Colors.white),
               ),
               onPressed: () {
@@ -63,7 +63,7 @@ class HomePage extends StatelessWidget {
                 'πŸ€– DEMO πŸ€–',
                 style: Theme.of(context)
                     .textTheme
-                    .display1
+                    .headline4
                     .copyWith(color: Colors.black),
               ),
               onPressed: () {
diff --git a/lib/match_page.dart b/lib/match_page.dart
index b1ea45ac65d0f6b540d90a67a2e3edd859111e91..db231b42baaf1b45a852dfb9c1d9562b6a6362c0 100644
--- a/lib/match_page.dart
+++ b/lib/match_page.dart
@@ -98,7 +98,7 @@ class _MatchPageState extends State<MatchPage> with TickerProviderStateMixin {
                         textAlign: TextAlign.center,
                         style: Theme.of(context)
                             .textTheme
-                            .display3
+                            .headline6
                             .copyWith(color: Colors.white),
                       )
                     : Column(
@@ -108,7 +108,7 @@ class _MatchPageState extends State<MatchPage> with TickerProviderStateMixin {
                             textAlign: TextAlign.center,
                             style: Theme.of(context)
                                 .textTheme
-                                .title
+                                .headline5
                                 .copyWith(color: Colors.white),
                           ),
                           Padding(
@@ -151,7 +151,10 @@ class _MatchPageState extends State<MatchPage> with TickerProviderStateMixin {
     return Text(
       name,
       textAlign: TextAlign.center,
-      style: Theme.of(context).textTheme.title.copyWith(color: Colors.white),
+      style: Theme.of(context)
+        .textTheme
+        .headline5
+        .copyWith(color: Colors.white),
     );
   }
 
diff --git a/pubspec.lock b/pubspec.lock
index 9e492de8c528151eb2996ba9168649f4f374d054..6b16baeffc1c1a6d6c4e55aeb65bc3afd44c6e1c 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -28,7 +28,7 @@ packages:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   clock:
     dependency: transitive
     description:
@@ -66,14 +66,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.7.0"
   path:
     dependency: transitive
     description:
@@ -127,7 +127,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -143,4 +143,4 @@ packages:
     source: hosted
     version: "2.1.0"
 sdks:
-  dart: ">=2.12.0-0.0 <3.0.0"
+  dart: ">=2.12.0 <3.0.0"