diff --git a/.circleci/config.yml b/.circleci/config.yml
index 39f2ed1c..fc606200 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -6,7 +6,7 @@ executors:
   # This must match .promu.yml.
   golang:
     docker:
-      - image: cimg/go:1.21
+      - image: cimg/go:1.22.6
 jobs:
   test:
     executor: golang
diff --git a/.promu.yml b/.promu.yml
index 8eabce03..f53913b1 100644
--- a/.promu.yml
+++ b/.promu.yml
@@ -1,6 +1,6 @@
 go:
     # This must match .circle/config.yml.
-    version: 1.21
+    version: 1.22
 repository:
     path: github.com/prometheus-community/elasticsearch_exporter
 build: