diff --git a/Dockerfile b/Dockerfile
index 8d01c4c..497034a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@
 FROM debian:buster-slim
 
 ENV DEBIAN_FRONTEND=noninteractive
-ENV http_proxy=http://acng.grote.lan:9999
+ENV http_proxy=http://acng2.grote.lan:9999
 
 # hadolint ignore=DL3008,DL3028
 RUN apt-get update && \