diff --git a/.circleci/config.yml b/.circleci/config.yml
index 96bd5a28..5a54b93a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/buld-image
+      - image: _/ubuntu:18.04
     steps:
       - checkout
       - run: 'git clone https://github.com/osresearch/heads'