diff --git a/Dockerfile b/Dockerfile
index b9ece24..491eaed 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,10 +4,7 @@ ARG PGID=1001
 
 MAINTAINER tabledevil
 #install clamav
-RUN apk add -u clamav
-RUN apk add -u clamav-dev
-RUN apk add -u freshclam
-RUN apk add -u bash
+RUN apk add -u --no-cache clamav clamav-dev freshclam bash
 #ADD unofficial signatures to freshclam
 RUN echo 'DatabaseCustomURL https://urlhaus.abuse.ch/downloads/urlhaus.ndb' >> /etc/clamav/freshclam.conf
 RUN echo 'DatabaseCustomURL https://mirror.rollernet.us/sanesecurity/badmacro.ndb' >> /etc/clamav/freshclam.conf