diff --git a/Dockerfile b/Dockerfile
index cdfb107..a65a955 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ WORKDIR /app
 RUN npm install -g pnpm
 
 # Copy workspace config
-COPY pnpm-workspace.yaml package.json tsconfig.base.json ./
+COPY pnpm-workspace.yaml package.json tsconfig.base.json pnpm-lock.yaml ./
 
 # Copy package.json files for workspace resolution
 COPY packages/shared/package.json packages/shared/