diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9fac1b9d..2f741b6a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,7 +5,7 @@ executors:
   # Whenever the Go version is updated here, .promu.yml should also be updated.
   golang:
     docker:
-      - image: circleci/golang:1.17
+      - image: cimg/go:1.18
 jobs:
   test:
     executor: golang
diff --git a/.promu.yml b/.promu.yml
index e84e3ce2..f4e4c40f 100644
--- a/.promu.yml
+++ b/.promu.yml
@@ -1,7 +1,7 @@
 go:
     # Whenever the Go version is updated here, .circle/config.yml should also
     # be updated.
-    version: 1.17
+    version: 1.18
 repository:
     path: github.com/prometheus/pushgateway
 build: