Update docker on Circle CI

summerwind · summerwind · commit 59470defd6f0 · 2020-08-04T19:58:59.000+09:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -6,7 +6,7 @@ jobs:
     steps:
     - checkout
     - setup_remote_docker:
-        version: 18.09.3
+        version: 19.03.12
     - run:
         name: Build container
         command: make build-container
