diff --git a/Dockerfile b/Dockerfile
index 0be9970..620448c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,8 @@ WORKDIR /build
 
 COPY web .
 
-RUN pnpm install \
+RUN npm install -g pnpm \
+    && pnpm install \
     && pnpm run build
 
 FROM golang AS goBuilder