diff --git a/dependencies.gradle b/dependencies.gradle
index 75bf59c6..d9f4c9d2 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -1,4 +1,7 @@
 ext.versions = [
+        versionCode          : 62,
+        versionName          : "2.2.1",
+
         minSdk               : 14,
         targetSdk            : 22,
         compileSdk           : 27,
diff --git a/ultrasonic/build.gradle b/ultrasonic/build.gradle
index 822c2243..0ba0a74b 100644
--- a/ultrasonic/build.gradle
+++ b/ultrasonic/build.gradle
@@ -8,6 +8,9 @@ android {
 
     defaultConfig {
         applicationId "org.moire.ultrasonic"
+        versionCode versions.versionCode
+        versionName versions.versionName
+
         minSdkVersion versions.minSdk
         targetSdkVersion versions.targetSdk
 
diff --git a/ultrasonic/src/main/AndroidManifest.xml b/ultrasonic/src/main/AndroidManifest.xml
index d24a6d8d..c0c48bfc 100644
--- a/ultrasonic/src/main/AndroidManifest.xml
+++ b/ultrasonic/src/main/AndroidManifest.xml
@@ -1,9 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:a="http://schemas.android.com/apk/res/android"
           package="org.moire.ultrasonic"
-          a:installLocation="auto"
-          a:versionCode="59"
-          a:versionName="2.0.0">
+          a:installLocation="auto">
 
     <uses-permission a:name="android.permission.INTERNET"/>
     <uses-permission a:name="android.permission.ACCESS_NETWORK_STATE"/>
@@ -204,4 +202,4 @@
         </receiver>
     </application>
 
-</manifest>
\ No newline at end of file
+</manifest>