diff --git a/Dockerfile b/Dockerfile
index 37d979a..4de0cdf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,8 +6,8 @@ WORKDIR /app
 # Copy package files
 COPY package*.json ./
 
-# Install dependencies
-RUN npm ci
+# Install all dependencies (needed for build)
+RUN npm ci --include=dev
 
 # Copy source code
 COPY . .