diff --git a/docker/Dockerfile b/docker/Dockerfile
index e822815..49ce7a4 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,6 +1,6 @@
 FROM frolvlad/alpine-glibc:glibc-2.28
 WORKDIR /app
-RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*
+RUN apk add --no-cache ca-certificates
 ADD gotify-app /app/
 EXPOSE 80
 ENTRYPOINT ["./gotify-app"]
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