diff --git a/Dockerfile b/Dockerfile
index 61094e4..0ca854b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     zlib1g-dev \
     && rm -rf /var/lib/apt/lists/*
 
+# Upgrade pip to latest version (security)
+RUN pip install --upgrade pip
+
 # Install Python dependencies
 COPY requirements.txt /tmp/
 RUN pip install --user --no-cache-dir -r /tmp/requirements.txt \