diff --git a/backend/Dockerfile b/backend/Dockerfile
index b0e0933..fc4e37d 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -19,8 +19,8 @@ WORKDIR /app
 # Copy package files
 COPY package*.json ./
 
-# Install dependencies
-RUN npm ci --only=production
+# Install dependencies (--omit=dev replaces deprecated --only=production)
+RUN npm ci --omit=dev
 
 # Copy application files
 COPY . .