diff --git a/Dockerfile b/Dockerfile
index 9895f65..713df67 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,12 @@ FROM python:3.12-slim
 
 WORKDIR /app
 
+# Install build tools for packages like hnswlib
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    g++ \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt