diff --git a/Dockerfile b/Dockerfile
index 0189219..79e92e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Setup build image for multistage build
-FROM rust:latest as builder
+FROM rust:buster as builder
 # install build deps
 RUN apt-get update && apt-get upgrade -y
 RUN apt-get install -yqq --no-install-recommends capnproto build-essential cmake clang libclang-dev libgsasl7-dev