diff --git a/docker/Dockerfile-deb b/docker/Dockerfile-deb
index f96d0c2f28..7942e4467c 100644
--- a/docker/Dockerfile-deb
+++ b/docker/Dockerfile-deb
@@ -31,6 +31,8 @@ RUN apt-get update && \
     git config --global user.name "$GIT_USER_NAME" && \
     git config --global user.email "$GIT_USER_EMAIL"
 
+RUN npm install -g npm@6.5.0
+
 COPY . $RALPH_DIR
 
 WORKDIR $RALPH_DIR