diff --git a/backend/Dockerfile b/backend/Dockerfile
index ecc2c44..c2db526 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -13,7 +13,7 @@ COPY prisma ./prisma/
 # Install dependencies (CACHE BUST: 2025-01-08)
 RUN npm install && echo "Cache bust: tinypdf-plus updated with dist"
 
-# Copy source
+# Copy source (CACHE BUST: 2025-01-08-2)
 COPY . .
 
 # Generate Prisma Client