diff --git a/metadata/threads.server.yml b/metadata/threads.server.yml
index ba048af301..0a93369c14 100644
--- a/metadata/threads.server.yml
+++ b/metadata/threads.server.yml
@@ -290,7 +290,18 @@ Builds:
     gradle:
       - yes
 
+  - versionName: 2.5.6
+    versionCode: 256
+    commit: d9439651f532cc38f99e789763841997bbecc88b
+    subdir: app
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y openjdk-11-jdk
+      - update-alternatives --auto java
+    gradle:
+      - yes
+
 AutoUpdateMode: Version %v
 UpdateCheckMode: Tags
-CurrentVersion: 2.5.5
-CurrentVersionCode: 255
+CurrentVersion: 2.5.6
+CurrentVersionCode: 256