diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4fd1e576..c7f4377f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -16,7 +16,7 @@ jobs:
       - run: pipenv --version
       - run: pipenv run pip install -U urllib3 cryptography==3.3.2 pip --quiet --no-input
       - run: pipenv run pip uninstall -y poetry
-      - run: pipenv install --dev
+      - run: pipenv sync --dev
       - run: pipenv check # before save_cache so an insecure cache is never saved
       - run: make lambda-layers/DependenciesLayer/requirements.txt
       - run: npm install