diff --git a/dev/Dockerfile-ubuntu-20.04 b/dev/Dockerfile-ubuntu-20.04
index ed8b85a..e5f7866 100644
--- a/dev/Dockerfile-ubuntu-20.04
+++ b/dev/Dockerfile-ubuntu-20.04
@@ -23,3 +23,4 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-ins
   build-essential && \
   apt-get clean && \
   rm -rf /var/lib/apt/lists/*
+RUN  groupadd -g 109 render
diff --git a/dev/Dockerfile-ubuntu-20.04-complete b/dev/Dockerfile-ubuntu-20.04-complete
index 7854a57..b1fa355 100644
--- a/dev/Dockerfile-ubuntu-20.04-complete
+++ b/dev/Dockerfile-ubuntu-20.04-complete
@@ -25,3 +25,4 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-ins
   build-essential && \
   apt-get clean && \
   rm -rf /var/lib/apt/lists/*
+RUN  groupadd -g 109 render