diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 67ecfd1..19045f7 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -33,8 +33,8 @@ android {
         // ⚠️ Android also refuses to install an APK whose `versionCode` is
         // lower than the installed one, so a code that goes backwards makes a
         // release uninstallable for everybody already on the higher number.
-        versionCode = 10
-        versionName = "0.10"
+        versionCode = 9
+        versionName = "0.9"
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }