diff --git a/.circleci/config.yml b/.circleci/config.yml
index d59b76e..4f18017 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,7 +9,7 @@ executors:
   # should also be updated.
   golang:
     docker:
-    - image: circleci/golang:1.12
+    - image: circleci/golang:1.13
 
 jobs:
   test:
diff --git a/.promu.yml b/.promu.yml
index 57ea4b2..94288a5 100644
--- a/.promu.yml
+++ b/.promu.yml
@@ -1,7 +1,7 @@
 go:
     # Whenever the Go version is updated here, .travis.yml and
     # .circle/config.yml should also be updated.
-    version: 1.12
+    version: 1.13
 repository:
     path: github.com/prometheus/statsd_exporter
 build: