diff --git a/Dockerfile b/Dockerfile
index 1f16a5b..d8c0e54 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,9 +2,15 @@
 FROM python:3.13-slim
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1
+    PYTHONUNBUFFERED=1 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1
+
+# Install minimal OS dependencies (include zlib for arm/v7 builds)
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+       zlib1g ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
 
-# Install system deps (optional: to build some wheels faster). Kept minimal here.
 WORKDIR /app
 
 # Copy dependency list and install first (leverages Docker layer cache)