diff --git a/pipeline.yaml b/pipeline.yaml
index 5a9a4082a3..375bd28653 100644
--- a/pipeline.yaml
+++ b/pipeline.yaml
@@ -63,6 +63,7 @@ jobs:
     - bash: |
         set -e
         sudo apt-get install doxygen
+        sudo apt-get install graphviz -y
         source activate synapseml
         sbt packagePython
         sbt publishBlob publishDocs publishR publishPython