diff --git a/.github/workflows/default.yml b/.github/workflows/default.yml
index e631e10788..ad1e404500 100644
--- a/.github/workflows/default.yml
+++ b/.github/workflows/default.yml
@@ -1,7 +1,7 @@
 name: Default
 
 env:
-  GO_VERSION: ^1.21
+  GO_VERSION: ^1.22
 
 on:
   push:
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index b59d70c77b..ecfa741537 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -1,7 +1,7 @@
 name: Deploy updated templates
 
 env:
-  GO_VERSION: ^1.21
+  GO_VERSION: ^1.22
 
 on:
   push:
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index efb49844d6..2204104f4d 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -1,7 +1,7 @@
 name: Nightly Build
 
 env:
-  GO_VERSION: ^1.21
+  GO_VERSION: ^1.22
 
 on:
   schedule: # runs on the default branch: master
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a81f965b32..532e47bb66 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,7 +1,7 @@
 name: Release
 
 env:
-  GO_VERSION: ^1.21
+  GO_VERSION: ^1.22
 
 on:
   push:
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 87ab8ad400..aee95ecf1d 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -1,7 +1,7 @@
 name: Deploy data to website
 
 env:
-  GO_VERSION: ^1.21
+  GO_VERSION: ^1.22
 
 on:
   push:
diff --git a/.golangci.yml b/.golangci.yml
index fc1095a9e8..6369a2f2d0 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,5 +1,5 @@
 run:
-  go: "1.21"
+  go: "1.22"
 
 issues:
   exclude:
diff --git a/Dockerfile b/Dockerfile
index 6715c006de..8f845e875f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,7 @@ RUN make ui
 
 
 # STEP 2 build executable binary
-FROM --platform=$BUILDPLATFORM golang:1.21-alpine as builder
+FROM --platform=$BUILDPLATFORM golang:1.22-alpine as builder
 
 # Install git + SSL ca certificates.
 # Git is required for fetching the dependencies.
diff --git a/README.md b/README.md
index c743068035..ce434c3042 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ You'll find everything you need in our [documentation](https://docs.evcc.io/).
 
 ## Contribute
 
-To build evcc from source, [Go][1] 1.21 and [Node][2] 18 are required.
+To build evcc from source, [Go][1] 1.22 and [Node][2] 18 are required.
 
 Build and run go backend. The UI becomes available at http://127.0.0.1:7070/
 
@@ -134,5 +134,5 @@ While evcc is open source, we would also like to encourage vendors to provide op
 
 The personal sponsor token requires a [Github Sponsorship](https://github.com/sponsors/evcc-io) and can be requested at [sponsor.evcc.io](https://sponsor.evcc.io/).
 
-[1]: https://golang.org
+[1]: https://go.dev
 [2]: https://nodejs.org/
diff --git a/cmd/setup.go b/cmd/setup.go
index 52c2364c5e..1c0d3b25dd 100644
--- a/cmd/setup.go
+++ b/cmd/setup.go
@@ -235,7 +235,6 @@ func configureChargers(static []config.Named, names ...string) error {
 			continue
 		}
 
-		cc := cc
 		g.Go(func() error {
 			instance, err := charger.NewFromConfig(cc.Type, cc.Other)
 			if err != nil {
@@ -253,7 +252,6 @@ func configureChargers(static []config.Named, names ...string) error {
 	}
 
 	for _, conf := range configurable {
-		conf := conf
 		g.Go(func() error {
 			cc := conf.Named()
 
@@ -315,7 +313,6 @@ func configureVehicles(static []config.Named, names ...string) error {
 			continue
 		}
 
-		cc := cc
 		g.Go(func() error {
 			instance, err := vehicleInstance(cc)
 			if err != nil {
@@ -340,7 +337,6 @@ func configureVehicles(static []config.Named, names ...string) error {
 	devs2 := make([]config.ConfigurableDevice[api.Vehicle], 0, len(configurable))
 
 	for _, conf := range configurable {
-		conf := conf
 		g.Go(func() error {
 			cc := conf.Named()
 
diff --git a/go.mod b/go.mod
index 8621d5aa12..eb12609ec5 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,6 @@
 module github.com/evcc-io/evcc
 
-go 1.21.1
-
-toolchain go1.21.3
+go 1.22.0
 
 require (
 	dario.cat/mergo v1.0.0
diff --git a/main.go b/main.go
index bd47ce9cad..4900597272 100644
--- a/main.go
+++ b/main.go
@@ -8,7 +8,6 @@ import (
 
 	"github.com/evcc-io/evcc/cmd"
 	"github.com/evcc-io/evcc/server/assets"
-	_ "github.com/evcc-io/evcc/util/goversion" // require minimum go version
 	_ "golang.org/x/crypto/x509roots/fallback" // fallback certificates
 )
 
diff --git a/util/goversion/constraint.go b/util/goversion/constraint.go
deleted file mode 100644
index c3192c94ae..0000000000
--- a/util/goversion/constraint.go
+++ /dev/null
@@ -1,8 +0,0 @@
-// Approach from https://github.com/theckman/goconstraint/
-
-// Package goversion should only be used as a blank import. If imported, it
-// will only compile if the Go runtime version is >= 1.21.
-package goversion
-
-// This will fail to compile if the Go runtime version isn't >= 1.21.
-var _ = __EVCC_REQUIRES_GO_VERSION_1_21__
diff --git a/util/goversion/version.go b/util/goversion/version.go
deleted file mode 100644
index 7e9b002289..0000000000
--- a/util/goversion/version.go
+++ /dev/null
@@ -1,5 +0,0 @@
-//go:build go1.21
-
-package goversion
-
-const __EVCC_REQUIRES_GO_VERSION_1_21__ = uint8(0)