update version

Change-Id: I2b13172f077e3134e820972d4bed3979ecd6763d
diff --git a/ring-android/app/build.gradle b/ring-android/app/build.gradle
index b565762..02b1eaa 100644
--- a/ring-android/app/build.gradle
+++ b/ring-android/app/build.gradle
@@ -9,8 +9,8 @@
     defaultConfig {
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 247
-        versionName "20200619-01"
+        versionCode 248
+        versionName "20200623-01"
     }
     sourceSets {
         main {