diff --git a/Dockerfile b/Dockerfile
index f34dd2c..f22575b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM debian:bullseye-slim as builder
+FROM rust:1.57-bullseye as builder
 
 RUN apt-get update && \
-    apt-get install -y rustc cargo libssl-dev pkg-config
+    apt-get install -y libssl-dev pkg-config
 
 WORKDIR /srv