diff --git a/Dockerfile b/Dockerfile
index 42feef173..e64913011 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,7 +35,7 @@ ARG HOME=/opt/pleroma
 ARG DATA=/var/lib/pleroma
 
 RUN echo "http://nl.alpinelinux.org/alpine/latest-stable/community" >> /etc/apk/repositories &&\
-	apk update &&\
+	apk update --allow-untrusted &&\
 	apk add exiftool ffmpeg imagemagick libmagic ncurses postgresql-client &&\
 	adduser --system --shell /bin/false -u $UID -g $GID --home ${HOME} pleroma &&\
 	mkdir -p ${DATA}/uploads &&\