diff --git a/Dockerfile b/Dockerfile
index 865fbef..1b09b3d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Modifications Copyright 2024 SAP SE or an SAP affiliate company and Gardener contributors
 
 ############# builder
-FROM golang:1.21.7 AS builder
+FROM golang:1.22.0 AS builder
 ARG GOPROXY=https://proxy.golang.org,direct
 ENV GOPROXY=$GOPROXY
 WORKDIR /go/src/github.com/gardener/quic-reverse-http-tunnel
diff --git a/go.mod b/go.mod
index 44099dc..6cd3ca5 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/gardener/quic-reverse-http-tunnel
 
-go 1.21
+go 1.22
 
 require (
 	github.com/quic-go/quic-go v0.41.0