diff --git a/Dockerfile b/Dockerfile
index 92fc63b3e..0fbad5ce0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 #### BUILDER ####
-FROM golang:1.19.10 AS builder
+FROM golang:1.20.6 AS builder
 
 WORKDIR /go/src/github.com/gardener/landscaper-service
 COPY . .
diff --git a/go.mod b/go.mod
index 3cea4de30..dbe9f6ac2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/gardener/landscaper-service
 
-go 1.19
+go 1.20
 
 require (
 	github.com/gardener/component-spec/bindings-go v0.0.66
diff --git a/integration-test/go.mod b/integration-test/go.mod
index 13ddb87b4..02e369f8d 100644
--- a/integration-test/go.mod
+++ b/integration-test/go.mod
@@ -1,6 +1,6 @@
 module github.com/gardener/landscaper-service/test/integration
 
-go 1.19
+go 1.20
 
 require (
 	github.com/gardener/component-spec/bindings-go v0.0.66
diff --git a/integration-test/vendor/modules.txt b/integration-test/vendor/modules.txt
index 7885ae10a..55b4559db 100644
--- a/integration-test/vendor/modules.txt
+++ b/integration-test/vendor/modules.txt
@@ -89,7 +89,7 @@ github.com/gardener/landscaper/pkg/utils
 github.com/gardener/landscaper/pkg/utils/read_write_layer
 github.com/gardener/landscaper/pkg/utils/tar
 # github.com/gardener/landscaper-service v0.0.0-00010101000000-000000000000 => ../
-## explicit; go 1.19
+## explicit; go 1.20
 github.com/gardener/landscaper-service/pkg/apis/core
 github.com/gardener/landscaper-service/pkg/apis/core/v1alpha1
 github.com/gardener/landscaper-service/pkg/apis/installation