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-rw-r--r--utils/webseal-simulator/sdc-simulator/Dockerfile1
1 files changed, 1 insertions, 0 deletions
diff --git a/utils/webseal-simulator/sdc-simulator/Dockerfile b/utils/webseal-simulator/sdc-simulator/Dockerfile
index 66092e0254..b5b36fa23d 100644
--- a/utils/webseal-simulator/sdc-simulator/Dockerfile
+++ b/utils/webseal-simulator/sdc-simulator/Dockerfile
@@ -12,6 +12,7 @@ RUN set -ex && \
ruby-dev \
libffi-dev \
libxml2-dev && \
+ gem install public_suffix -v 4.0.7 --no-document && \
gem install multipart-post -v 2.2.0 --no-document && \
gem install chef:13.8.5 berkshelf:6.3.1 io-console:0.4.6 etc webrick --no-document && \
gem cleanup && \