diff --git a/AnkiDroid/build.gradle b/AnkiDroid/build.gradle
index 4341dab5ab..3d411b824f 100644
--- a/AnkiDroid/build.gradle
+++ b/AnkiDroid/build.gradle
@@ -41,8 +41,8 @@ android {
         //
         // This ensures the correct ordering between the various types of releases (dev < alpha < beta < release) which is
         // needed for upgrades to be offered correctly.
-        versionCode=21500119
-        versionName="2.15alpha19"
+        versionCode=21500120
+        versionName="2.15alpha20"
         minSdkVersion 21
         //noinspection OldTargetApi - also performed in api/build.fradle
         targetSdkVersion 29 // change .travis.yml platform download at same time