diff --git a/docker-compose.yml b/docker-compose.yml
index 04e42a7..f8a4635 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -47,7 +47,7 @@ services:
       context: ./backend
       dockerfile: Dockerfile
       args:
-        CACHEBUST: "3"
+        CACHEBUST: "4"
     restart: unless-stopped
     environment:
       # ── Core ─────────────────────────────────────────────
@@ -179,7 +179,7 @@ services:
       context: ./backend
       dockerfile: Dockerfile.ffmpeg
       args:
-        CACHEBUST: "3"
+        CACHEBUST: "4"
     restart: unless-stopped
     environment:
       ENVIRONMENT: production