diff --git a/README.md b/README.md
index 713dfc7..76f6af4 100644
--- a/README.md
+++ b/README.md
@@ -8,3 +8,7 @@ An application for Android to teach morse code using the Koch method.
 [<img src="https://play.google.com/intl/en_us/badges/images/generic/en-play-badge.png"
      alt="Get it on Google Play"
      height="80">](https://play.google.com/store/apps/details?id=es.eoinrul.ecwt)
+
+# Contributors
+
+[Le-jun](https://github.com/le-jun) added the French translations.
diff --git a/app/build.gradle b/app/build.gradle
index 43ea2da..49f34bb 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "es.eoinrul.ecwt"
         minSdkVersion 23
         targetSdkVersion 29
-        versionCode 4
-        versionName "4.0"
+        versionCode 41
+        versionName "4.1"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/fastlane/metadata/android/en-US/changelogs/4.txt b/fastlane/metadata/android/en-US/changelogs/4.txt
new file mode 100644
index 0000000..4103535
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/4.txt
@@ -0,0 +1,4 @@
+Show a post-lesson summary to compare sent/received text.
+Improved visual style throughout app.
+Fixed occasional popping audio.
+Fix bug where keyboard didn't appear in Sounder in new Android versions.
diff --git a/fastlane/metadata/android/en-US/changelogs/41.txt b/fastlane/metadata/android/en-US/changelogs/41.txt
new file mode 100644
index 0000000..685131a
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/41.txt
@@ -0,0 +1 @@
+Added French translations