diff --git a/.circleci/config.yml b/.circleci/config.yml
index e6cf6d19..e34b189d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -227,7 +227,7 @@ jobs:
       - run:
           name: Install Graphviz
           command: |
-            case $CIRCLE_BRANCH in "master") apt-get update && apt-get install graphviz -y ;; esac
+            case $CIRCLE_BRANCH in "master") sudo apt-get update && apt-get install graphviz -y ;; esac
       - run:
           name: Setup SSH
           command: |