diff --git a/app/build.gradle b/app/build.gradle
index f802c617..22d5f8a8 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId = 'com.tutpro.baresip'
         minSdkVersion 21
         targetSdkVersion 26
-        versionCode = 16
-        versionName = '2.3'
+        versionCode = 17
+        versionName = '2.3.1'
         externalNativeBuild {
             cmake {
                 cFlags '-DHAVE_INTTYPES_H'