diff --git a/android/gradle.properties b/android/gradle.properties
index 53f7ea286da5b592c797927723a89c3f02454457..6d853d49db1c1a034a827cd42ea4637e53910189 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=1.0.18
-app.versionCode=19
+app.versionName=1.0.19
+app.versionCode=20
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..52f2179d505f14dcc88966038849680298d1df24
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/20.txt
@@ -0,0 +1 @@
+Avoid print calls in production code.
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..8537dac9f8ac580dac7eee02b1a1c99a901fe7d2
--- /dev/null
+++ b/fastlane/metadata/android/fr-FR/changelogs/20.txt
@@ -0,0 +1 @@
+Supprime les appels à print dans le code de production.
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.yaml b/pubspec.yaml
index 4f0a45d2be8aa36a441f22adaf2c248bff7b2d1b..f29024e4eeb9c34349cdcc9876501c9aa4d632cb 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: puissance4
 description: puissance4
 publish_to: 'none'
-version: 1.0.18+19
+version: 1.0.19+20
 
 environment:
   sdk: '^3.0.0'