diff --git a/.circleci/config.yml b/.circleci/config.yml
index 435372d..4ab25d9 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build-go1.20:
     docker:
-        - image: golang:1.20
+        - image: golang:1.21
     working_directory: /go/src/github.com/kolide/kit
     steps: &steps
       - checkout
@@ -13,4 +13,4 @@ workflows:
   version: 2
   build:
     jobs:
-      - build-go1.20
+      - build-go1.21
diff --git a/go.mod b/go.mod
index 8d4680f..8001822 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/kolide/kit
 
-go 1.20
+go 1.21
 
 require (
 	github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc