diff --git a/fastlane/metadata/android/en-US/changelogs/20.txt b/fastlane/metadata/android/en-US/changelogs/20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..766ce6d38049f68b1bf6160963d61d507d53415b
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/20.txt
@@ -0,0 +1 @@
+Restore custom font.
diff --git a/fastlane/metadata/android/fr-FR/changelogs/20.txt b/fastlane/metadata/android/fr-FR/changelogs/20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd11c96b7298f2726a0b84e61fcf357fb3260a59
--- /dev/null
+++ b/fastlane/metadata/android/fr-FR/changelogs/20.txt
@@ -0,0 +1 @@
+Rétablissement de la police de caractères spécifique.
diff --git a/pubspec.lock b/pubspec.lock
index 5f7d30f1d27f049d10d751142b1e10ef2a65d726..970aa36ee17b6082bb23a748a08bce7f8d3d9b0e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -122,11 +122,11 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: "0.2.0"
-      resolved-ref: bbf0abd5457d42678882384216af9e83c38549bc
+      ref: "0.3.0"
+      resolved-ref: b24e16ca0cf72bde23640c72020d5c9da2e00e62
       url: "https://git.harrault.fr/android/flutter-toolbox.git"
     source: git
-    version: "0.2.0"
+    version: "0.3.0"
   flutter_lints:
     dependency: "direct dev"
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index b1730ac8895a95bddab9e98a567a4464f4a3c8b1..af9ffe48aac87e46cccfa73696d524537c58ced7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -3,7 +3,7 @@ description: calculus application
 
 publish_to: "none"
 
-version: 0.4.0+19
+version: 0.4.1+20
 
 environment:
   sdk: "^3.0.0"
@@ -16,7 +16,7 @@ dependencies:
   flutter_custom_toolbox:
     git:
       url: https://git.harrault.fr/android/flutter-toolbox.git
-      ref: 0.2.0
+      ref: 0.3.0
 
   # specific
   # (none)
@@ -29,3 +29,15 @@ flutter:
   assets:
     - assets/translations/
     - assets/ui/
+
+  fonts:
+    - family: Nunito
+      fonts:
+        - asset: packages/flutter_custom_toolbox/fonts/Nunito-Bold.ttf
+          weight: 700
+        - asset: packages/flutter_custom_toolbox/fonts/Nunito-Medium.ttf
+          weight: 500
+        - asset: packages/flutter_custom_toolbox/fonts/Nunito-Regular.ttf
+          weight: 400
+        - asset: packages/flutter_custom_toolbox/fonts/Nunito-Light.ttf
+          weight: 300