diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8c58dc9..83f3afd 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -11,7 +11,7 @@ jobs:
           name: Install dependencies in a python venv
           command: |
             python3 -m venv venv
-            venv/bin/activate
+            . venv/bin/activate
             pip install -r requirements/dev.txt
       - save_cache:
           key: deps-{{ checksum "requirements/dev.txt"}}-{{ .Environment.CACHE_VERSION }}