diff --git a/.circleci/config.yml b/.circleci/config.yml
index d934f30..85ec9d7 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -13,6 +13,7 @@ jobs:
             python3 -m venv venv
             . venv/bin/activate
             pip install -r requirements/dev.txt
+            pipenv lock
       - save_cache:
           key: deps1-{{ .Branch }}-{{ checksum "requirements/dev.txt" }}
           paths: