diff --git a/.circleci/config.yml b/.circleci/config.yml
index b57e15458..e00463cc5 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -111,7 +111,7 @@ jobs:
       - checkout
       - run:
           name: Check table of contents
-          command: sudo npm install -g doctoc && make check_toc
+          command: sudo npm install -g doctoc@2 && make check_toc
   codespell:
     docker:
       - image: circleci/python:3.8