diff --git a/Dockerfile b/Dockerfile
index 87bc7df..86ccad2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,7 @@ FROM ubuntu:20.04
 
 LABEL description="REMnux® is a Linux toolkit for reverse-engineering and analyzing malicious software."
 LABEL maintainer="Lenny Zeltser (@lennyzeltser, zeltser.com)"
-LABEL version="v2023.9.1"
+LABEL builder="Johannes Bülow <johannes.buelow@jmbit.de>"
 ARG CAST_VER=0.14.0
 
 USER root
@@ -39,12 +39,11 @@ RUN export DEBIAN_FRONTEND=noninteractive && \
     apt-get install -y wget gnupg git && \
     wget https://github.com/ekristen/cast/releases/download/v${CAST_VER}/cast_v${CAST_VER}_linux_amd64.deb && \
     dpkg -i /tmp/cast_v${CAST_VER}_linux_amd64.deb && \
-    cast install --mode cloud --user remnux remnux && \
+    rm /tmp/cast_v${CAST_VER}_linux_amd64.deb
+RUN cast install --mode cloud --user remnux remnux && \
     rm -rf /root/.cache/* && \
     unset DEBIAN_FRONTEND
 
-RUN rm /tmp/cast_v${CAST_VER}_linux_amd64.deb
-
 ENV TERM linux
 WORKDIR /home/remnux