fix typo (#333)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 6147861..2cac929 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -118,7 +118,7 @@
       - run: gofmt -s -l .
   go119_release:
     docker:
-      - image: cimg/go:1.9
+      - image: cimg/go:1.19
     steps:
       - add_ssh_keys:
           fingerprints: