diff --git a/.circleci/config.yml b/.circleci/config.yml
index 1df00ab..da95a22 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,7 +1,7 @@
 jobs:
   install:
     docker:
-      - image: circleci/python:3.7.0
+      - image: circleci/python:3.6.10
       - image: circleci/postgres:9.6.2
     working_directory: ~/repo
     steps: