diff --git a/docker-configs/Dockerfile-proxy b/docker-configs/Dockerfile-proxy
index a443d6a..dca07f5 100644
--- a/docker-configs/Dockerfile-proxy
+++ b/docker-configs/Dockerfile-proxy
@@ -3,7 +3,7 @@ FROM debian:bullseye-slim
 COPY entrypoint-proxy /entrypoint
 
 RUN useradd -u 54000 radio && \
-        apt-get && \
+        apt-get update && \
         apt-get install git gcc musl-dev pypy pypy-dev && \
 	cd /opt && \
         git clone https://github.com/hacknix/freedmr && \