diff --git a/Dockerfile b/Dockerfile
index 687973b..a1a8a3f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM registry.odit.services/hub/library/alpine:3.16 as BUILD
 WORKDIR /app
-RUN apk add dos2unix
+RUN apk add dos2unix --no-cache --update && rm -rf /var/cache/apk/*
 COPY plugin.sh ./
 RUN dos2unix plugin.sh