diff --git a/Dockerfile b/Dockerfile
index 3b1978f7..05f6e44c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ COPY src/ ./src/
 
 RUN set -eux; \
     pip install --no-cache-dir --upgrade pip; \
-    pip install --no-cache-dir --timeout 1000 .
+    pip install --no-cache-dir --timeout 1000 .[server]
 
 # Stage 2: Runtime image
 FROM python:3.13.5-slim@sha256:4c2cf9917bd1cbacc5e9b07320025bdb7cdf2df7b0ceaccb55e9dd7e30987419