diff --git a/.circleci/config.yml b/.circleci/config.yml
index c0c83ade8..46234c3db 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -127,6 +127,7 @@ jobs:
             pip install jinja2
             pip install tokenizers
             pip install openai
+            pip install ijson
       - run:
           name: Run tests
           command: |