diff --git a/metadata/io.github.yawnoc.strokeinput.yml b/metadata/io.github.yawnoc.strokeinput.yml
index 95c6e6d867..690f44dda9 100644
--- a/metadata/io.github.yawnoc.strokeinput.yml
+++ b/metadata/io.github.yawnoc.strokeinput.yml
@@ -189,7 +189,18 @@ Builds:
     gradle:
       - yes
 
+  - versionName: 0.9.21
+    versionCode: 43
+    commit: b91e0ffc643dd0bde44bb262aa8157e00519a36c
+    subdir: app
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk-headless
+      - update-alternatives --auto java
+    gradle:
+      - yes
+
 AutoUpdateMode: Version v%v
 UpdateCheckMode: Tags
-CurrentVersion: 0.9.20
-CurrentVersionCode: 42
+CurrentVersion: 0.9.21
+CurrentVersionCode: 43