diff --git a/android/gradle.properties b/android/gradle.properties
index 4617f96d772a363abed31166843abc0fc2c01732..32638a39cd697ca58b0dd482eb1cd46e5e051809 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -1,5 +1,5 @@
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.34
-app.versionCode=34
+app.versionName=0.0.35
+app.versionCode=35
diff --git a/fastlane/metadata/android/en-US/changelogs/35.txt b/fastlane/metadata/android/en-US/changelogs/35.txt
new file mode 100644
index 0000000000000000000000000000000000000000..52f2179d505f14dcc88966038849680298d1df24
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/35.txt
@@ -0,0 +1 @@
+Avoid print calls in production code.
diff --git a/fastlane/metadata/android/fr-FR/changelogs/35.txt b/fastlane/metadata/android/fr-FR/changelogs/35.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8537dac9f8ac580dac7eee02b1a1c99a901fe7d2
--- /dev/null
+++ b/fastlane/metadata/android/fr-FR/changelogs/35.txt
@@ -0,0 +1 @@
+Supprime les appels à print dans le code de production.
diff --git a/lib/utils/board_utils.dart b/lib/utils/board_utils.dart
index 8e8f31bf21e54ad1da7cc59d5f81c3009b4683c1..86b5dbcde4758a675916fd3c29504b61583dda3e 100644
--- a/lib/utils/board_utils.dart
+++ b/lib/utils/board_utils.dart
@@ -3,21 +3,22 @@ import 'dart:async';
 
 import 'package:colors/entities/cell.dart';
 import 'package:colors/provider/data.dart';
+import 'package:colors/utils/tools.dart';
 
 class BoardUtils {
   static printGrid(List cells) {
     String stringValues = '012345678';
-    print('');
-    print('-------');
+    printlog('');
+    printlog('-------');
     for (var rowIndex = 0; rowIndex < cells.length; rowIndex++) {
       String row = '';
       for (var colIndex = 0; colIndex < cells[rowIndex].length; colIndex++) {
         row += stringValues[cells[rowIndex][colIndex].value];
       }
-      print(row);
+      printlog(row);
     }
-    print('-------');
-    print('');
+    printlog('-------');
+    printlog('');
   }
 
   static createNewBoard(Data myProvider) {
@@ -160,7 +161,7 @@ class BoardUtils {
       }
     }
 
-    print('-> ok grid solved!');
+    printlog('-> ok grid solved!');
 
     return true;
   }
diff --git a/lib/utils/game_utils.dart b/lib/utils/game_utils.dart
index 56fee2a23b08b752982dcac398b607755fef9be9..699b19914dfb95bab35eea0e7a7d3a24c3c51c48 100644
--- a/lib/utils/game_utils.dart
+++ b/lib/utils/game_utils.dart
@@ -1,5 +1,6 @@
 import 'package:colors/provider/data.dart';
 import 'package:colors/utils/board_utils.dart';
+import 'package:colors/utils/tools.dart';
 
 class GameUtils {
   static Future<void> resetGame(Data myProvider) async {
@@ -7,10 +8,10 @@ class GameUtils {
   }
 
   static Future<void> startGame(Data myProvider) async {
-    print('Starting game');
-    print('- level: ${myProvider.parameterLevel}');
-    print('- size: ${myProvider.boardSize}');
-    print('- colors: ${myProvider.colorsCount}');
+    printlog('Starting game');
+    printlog('- level: ${myProvider.parameterLevel}');
+    printlog('- size: ${myProvider.boardSize}');
+    printlog('- colors: ${myProvider.colorsCount}');
 
     BoardUtils.createNewBoard(myProvider);
 
diff --git a/lib/utils/tools.dart b/lib/utils/tools.dart
new file mode 100644
index 0000000000000000000000000000000000000000..fd48b2b009b80b22248d6e7f08a63e96c4065bd7
--- /dev/null
+++ b/lib/utils/tools.dart
@@ -0,0 +1,7 @@
+import 'package:flutter/foundation.dart';
+
+void printlog(String message) {
+  if (!kReleaseMode) {
+    debugPrint(message);
+  }
+}
diff --git a/pubspec.lock b/pubspec.lock
index 394474ffa93627c54bc013d08e68346854cf7420..6b1fdfef808496ebd4ff8ce5bb9e51bfbc6469e8 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -151,10 +151,10 @@ packages:
     dependency: "direct main"
     description:
       name: provider
-      sha256: "9a96a0a19b594dbc5bf0f1f27d2bc67d5f95957359b461cd9feb44ed6ae75096"
+      sha256: c8a055ee5ce3fd98d6fc872478b03823ffdb448699c6ebdbbc71d59b596fd48c
       url: "https://pub.dev"
     source: hosted
-    version: "6.1.1"
+    version: "6.1.2"
   shared_preferences:
     dependency: "direct main"
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 927e2e34d24868488ad246b2fc08507fc4fbd9e1..d74d30edfefe3e0eee7df09d768b7e665d9befec 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: colors
 description: colors application
 publish_to: 'none'
-version: 0.0.34+34
+version: 0.0.35+35
 
 environment:
   sdk: '^3.0.0'