diff --git a/metadata/org.koitharu.kotatsu.yml b/metadata/org.koitharu.kotatsu.yml
index cdf219efe4..6cfa07a588 100644
--- a/metadata/org.koitharu.kotatsu.yml
+++ b/metadata/org.koitharu.kotatsu.yml
@@ -1013,7 +1013,18 @@ Builds:
     gradle:
       - yes
 
+  - versionName: 6.4.1
+    versionCode: 601
+    commit: 03426694c801aee7316871fdd8f5c0fd1f95dbb1
+    subdir: app
+    sudo:
+      - apt-get update
+      - apt-get install -y openjdk-17-jdk-headless
+      - update-java-alternatives -a
+    gradle:
+      - yes
+
 AutoUpdateMode: Version
 UpdateCheckMode: Tags ^v[0-9.]+$
-CurrentVersion: '6.4'
-CurrentVersionCode: 600
+CurrentVersion: 6.4.1
+CurrentVersionCode: 601