diff --git a/.circleci/config.yml b/.circleci/config.yml
index e8bc5e1efb..0bc2afac81 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,8 +2,7 @@ version: 2
 jobs:
    build:
      docker:
-       # TODO: Update to 3.6.3 when the image become available
-       - image: circleci/python:3.6.2
+       - image: circleci/python:3.6.4
      steps:
        - checkout
        - run:
@@ -11,4 +10,4 @@ jobs:
            command: test/circle/install.sh
        - run: 
            name: lint
-           command: test/circle/lint.sh
\ No newline at end of file
+           command: test/circle/lint.sh