diff --git a/ultrasonic/build.gradle b/ultrasonic/build.gradle
index 2dd6b96c..08ce9f91 100644
--- a/ultrasonic/build.gradle
+++ b/ultrasonic/build.gradle
@@ -9,8 +9,8 @@ android {
 
     defaultConfig {
         applicationId "org.moire.ultrasonic"
-        versionCode 89
-        versionName "2.19.0"
+        versionCode 90
+        versionName "2.19.1"
 
         minSdkVersion versions.minSdk
         targetSdkVersion versions.targetSdk