diff --git a/.circleci/config.yml b/.circleci/config.yml
index eb50adf..22b05ed 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/golang:1.10
+      - image: circleci/golang:1.13
 
     working_directory: /go/src/github.com/alecthomas/kong
     steps: