diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7b6d44d..915b46f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2.1
 jobs:
   run-tests:
     docker:
-      - image: cimg/python
+      - image: cimg/python:3.8
     steps:
       - checkout
       - run: