diff --git a/Dockerfile b/Dockerfile
index 5a275a0..549e502 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,12 +9,12 @@ WORKDIR /app
 # this will cache them and speed up future builds
 FROM base AS install
 RUN mkdir -p /temp/dev
-COPY package.json bun.lock /temp/dev/
+COPY package.json bun.lockb /temp/dev/
 RUN cd /temp/dev && bun install --frozen-lockfile
 
 # install with --production (exclude devDependencies)
 RUN mkdir -p /temp/prod
-COPY package.json bun.lock /temp/prod/
+COPY package.json bun.lockb /temp/prod/
 RUN cd /temp/prod && bun install --frozen-lockfile --production
 
 # copy node_modules from temp directory