diff --git a/Dockerfile b/Dockerfile
index 18623704e2..109aeb6503 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.2
 
-FROM rust as builder
+FROM rust:1.55-bullseye as builder
 WORKDIR app
 RUN curl -fsSL https://deb.nodesource.com/setup_16.x | bash -
 RUN apt-get install -y nodejs
@@ -25,7 +25,7 @@ RUN --mount=type=cache,target=./target \
     cp /app/target/release/zed-server /app/zed-server
 
 # Copy server binary to the runtime image
-FROM debian:buster-slim as runtime
+FROM debian:bullseye-slim as runtime
 RUN apt-get update; \
     apt-get install -y --no-install-recommends libcurl4-openssl-dev ca-certificates
 WORKDIR app