diff --git a/metadata/com.starry.myne.yml b/metadata/com.starry.myne.yml
index 1453bc322b..c22dc81b0e 100644
--- a/metadata/com.starry.myne.yml
+++ b/metadata/com.starry.myne.yml
@@ -366,9 +366,24 @@ Builds:
       - $$reproducible-apk-tools$$/zipalign.py --page-size 16 --pad-like-apksigner
         --replace unaligned.apk $$OUT$$
 
+  - versionName: 4.2.1
+    versionCode: 421
+    commit: 4ad8b451a216d42d18c5f3b39978f2609614b5da
+    subdir: app
+    gradle:
+      - yes
+    srclibs:
+      - reproducible-apk-tools@719c3471fd1bcb807510dc8e035a69e395ca37f4
+    prebuild: echo R09PR0xFX0FQSV9LRVk9IkFJemFTeUE0alB3dS00RFZONzNLbk9TZFN0b0NSeUxPdE54bkxnWSIK
+      | base64 --decode >> ../local.properties
+    postbuild:
+      - mv $$OUT$$ unaligned.apk
+      - $$reproducible-apk-tools$$/zipalign.py --page-size 16 --pad-like-apksigner
+        --replace unaligned.apk $$OUT$$
+
 AllowedAPKSigningKeys: 5dfe06da0fe3b0813f3f3dc5305699c2dbb9dfdbab1349da7c41c59d2fcf319c
 
 AutoUpdateMode: Version
 UpdateCheckMode: Tags
-CurrentVersion: 4.2.0
-CurrentVersionCode: 420
+CurrentVersion: 4.2.1
+CurrentVersionCode: 421