diff --git a/Dockerfile.simple b/Dockerfile.simple
index 48e31c1..aba206f 100644
--- a/Dockerfile.simple
+++ b/Dockerfile.simple
@@ -3,7 +3,7 @@
 
 ARG SERVICE_NAME
 
-FROM rust:alpine AS builder
+FROM registry.nxtgauge.com/rust:alpine AS builder
 ARG SERVICE_NAME
 
 # Install build deps + rust toolchain (Alpine-packaged Rust lacks proc-macro support)