diff --git a/.circleci/Dockerfile b/.circleci/Dockerfile
index 5383cfde58..b03febdc1d 100644
--- a/.circleci/Dockerfile
+++ b/.circleci/Dockerfile
@@ -1,5 +1,4 @@
-FROM --platform=$TARGETPLATFORM golang:1.20-bullseye
-
+FROM --platform=$TARGETPLATFORM golang:1.21.1-bullseye
 # install "normal" stuff
 
 ARG NODEVERSION
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 110fa57789..03723ccca0 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -16,7 +16,7 @@ parameters:
   go_version:
     type: string
     # https://go.dev/doc/devel/release
-    default: '1.20.6'
+    default: '1.21.1'
   aws_version:
     type: string
     # https://github.com/aws/aws-cli/blob/v2/CHANGELOG.rst
diff --git a/cliv2/go.mod b/cliv2/go.mod
index 978899c579..9f5de840b9 100644
--- a/cliv2/go.mod
+++ b/cliv2/go.mod
@@ -1,6 +1,8 @@
 module github.com/snyk/cli/cliv2
 
-go 1.18
+go 1.21
+
+toolchain go1.21.0
 
 require (
 	github.com/elazarl/goproxy v0.0.0-20230808193330-2592e75ae04a