diff --git a/ci/docker-rust/Dockerfile b/ci/docker-rust/Dockerfile
index 0556dd7a4a..1e2ac1d638 100644
--- a/ci/docker-rust/Dockerfile
+++ b/ci/docker-rust/Dockerfile
@@ -17,6 +17,7 @@ RUN set -x \
       lcov \
       libclang-common-7-dev \
       llvm-7 \
+      mscgen \
       rsync \
       sudo \
       \