diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6ceae05831..eda8cc5afc 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -75,6 +75,11 @@ jobs:
           name: Build package
           command: make build
 
+      - save_cache:
+          key: v1-py3-deps-{{ .Branch }}-{{ checksum "setup.py" }}
+          paths:
+            - /tmp/venv/openfisca_france
+
       - save_cache:
           key: v1-py3-build-{{ .Revision }}
           paths: