diff --git a/Dockerfile b/Dockerfile
index a50da90..c5fde14 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM python:3.12.3-alpine3.19 as certbot
-RUN apk upgrade --no-cache -a && \
+RUN apk upgrade --no-cache -a --prune && \
     apk add --no-cache ca-certificates build-base libffi-dev && \
     python3 -m venv /usr/local && \
     pip install --no-cache-dir \