diff --git a/ci/Dockerfile.compile b/ci/Dockerfile.compile
index 7cb67ca..afcd7ec 100644
--- a/ci/Dockerfile.compile
+++ b/ci/Dockerfile.compile
@@ -4,7 +4,7 @@ RUN set -ex \
  && apk --no-cache add \
       build-base \
       python \
- && npm install --global @jscad/cli
+ && yarn global add @jscad/cli
 
 ENTRYPOINT ["openjscad"]
 CMD ["--help"]