diff --git a/client/Dockerfile.windows b/client/Dockerfile.windows
index 5a6a185..fa39c3c 100644
--- a/client/Dockerfile.windows
+++ b/client/Dockerfile.windows
@@ -5,7 +5,7 @@ WORKDIR /app
 
 # RUN corepack enable yarn && yarn set version stable
 
-COPY package.json yarn.lock .yarnrc.yml ./
+COPY package.json yarn.lock .yarnrc.yml .yarn ./
 
 RUN yarn install --immutable
 COPY . .