diff --git a/Dockerfile b/Dockerfile
index 915b947..513e487 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,11 @@ RUN pip install --user .
 
 
 FROM python:3.11-slim-bullseye AS build-image
+
+# Upgrade packages to the latest, pip as well.
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get upgrade && apt-get clean && rm -rf /var/lib/apt/lists/*
+RUN pip install --upgrade --no-cache-dir pip
+
 COPY --from=compile-image /root/.local /root/.local
 
 # Make sure scripts in .local are usable: