diff --git a/Dockerfile b/Dockerfile
index a6420a35..3da9ffab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ RUN apk add --no-cache libxslt libxml2 postgresql-libs libssh2 \
 
 RUN gem install --no-document --no-user-install foreman
 RUN wget https://github.com/jgm/pandoc/releases/download/${PANDOC_VERSION}/pandoc-${PANDOC_VERSION}-linux-amd64.tar.gz -O - | tar --strip-components 1 -xvzf - pandoc-${PANDOC_VERSION}/bin/pandoc && mv /bin/pandoc /usr/bin/pandoc
-RUN apk add npm && npm install -g pnpm && apk del npm
+RUN apk add npm && npm install -g pnpm@~7 && apk del npm
 
 COPY ./monit.conf /etc/monit.d/sutty.conf