diff --git a/Dockerfile b/Dockerfile
index b75de91..b6eba94 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,12 +5,12 @@ FROM alpine:latest as prep
 ARG HUGO_ARCH=amd64
 
 RUN \
-    apk -U add lastversion && \
+    apk --no-cache upgrade && \
+    apk --no-cache add lastversion && \
     URL=$(lastversion --filter "hugo_extended_.*\-${HUGO_ARCH}\.tar\.gz$" --pre gohugoio/hugo  --format assets) && \
     echo "Downloading: ${URL}" && \
     wget "${URL}" -O - | tar xzv -C /tmp
 
-
 ##### final image
 
 FROM alpine:latest