diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4bfa368833..fb87b88c5b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -45,6 +45,11 @@ jobs:
             pip install pytest
             pip install -r requirements.txt
             pip install -e .
+      - run:
+          name: "Checking code style"
+          command: |
+            pip install flake8
+            flake8 . --count --exit-zero --max-complexity=10 --statistics
       - run:
           name: "Running tests"
           command: |