diff --git a/stacks/roms/docker-compose.yml b/stacks/roms/docker-compose.yml
index 0444bfc..ea17a91 100644
--- a/stacks/roms/docker-compose.yml
+++ b/stacks/roms/docker-compose.yml
@@ -22,7 +22,9 @@
 
 services:
   romm:
-    image: rommapp/romm:4
+    # Pinned: save-sync (/api/sync/*) + raw content_hash fix need 4.9.0-beta.2.
+    # Revert to :4 once 4.9.0 stable is released.
+    image: rommapp/romm:4.9.0-beta.2
     container_name: romm
     restart: unless-stopped
     networks: [roms, edge]