diff --git a/Dockerfile b/Dockerfile
index 636dbfc..594fb2f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,6 +18,7 @@ COPY --from=prep /tmp/hugo.deb /tmp/hugo.deb
 RUN \
     apt update && \
     DEBIAN_FRONTEND=noninteractive apt -y upgrade && \
-    apt install -y /tmp/hugo.deb && rm /tmp/hugo.deb
+    apt install -y /tmp/hugo.deb && \
+    rm -rf /var/lib/apt/lists/ /tmp/hugo.deb
 
 ENTRYPOINT [ "/usr/local/bin/hugo" ]