diff --git a/packages/proxy-container/Dockerfile b/packages/proxy-container/Dockerfile
index 48ddc342e..f5bb0f048 100644
--- a/packages/proxy-container/Dockerfile
+++ b/packages/proxy-container/Dockerfile
@@ -3,7 +3,7 @@ FROM node:16-alpine
 WORKDIR /usr/proxy
 
 # First copy over dependencies separate from src for better caching
-COPY package.json yarn.lock tsconfig.json .yarnrc.yml build.config.ts ./
+COPY package.json yarn.lock tsconfig.json .yarnrc.yml tsup.config.js ./
 COPY .yarn ./.yarn
 COPY ./packages/proxy-container/package.json ./packages/proxy-container/