diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 267763c11..8532e8aa4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -3,6 +3,9 @@ name: Build
 on:
   push:
 
+env:
+  GOTOOLCHAIN: local
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -13,7 +16,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version: "1.23"
 
       - name: Import GPG key
         id: import_gpg
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1737787e9..ab645358f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -5,6 +5,9 @@ on:
     branches: [main]
   pull_request:
 
+env:
+  GOTOOLCHAIN: local
+
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -12,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version: "1.23"
 
       - uses: golangci/golangci-lint-action@v6
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9fd70efc3..59f77fc85 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,6 +5,9 @@ on:
     tags:
       - "v*"
 
+env:
+  GOTOOLCHAIN: local
+
 jobs:
   release:
     runs-on: ubuntu-latest
@@ -17,7 +20,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version: "1.23"
 
       - name: Import GPG key
         id: import_gpg
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 795d9daf7..dc99e91a9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     types: [opened, synchronize, reopened, ready_for_review]
 
+env:
+  GOTOOLCHAIN: local
+
 jobs:
   unit:
     runs-on: ubuntu-latest
@@ -14,7 +17,7 @@ jobs:
 
       - uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version: "1.23"
 
       - run: go test -v -timeout=30s -parallel=8 -coverprofile=coverage.txt -coverpkg=./... ./...
 
@@ -71,7 +74,7 @@ jobs:
 
       - uses: actions/setup-go@v5
         with:
-          go-version-file: go.mod
+          go-version: "1.23"
 
       - uses: hetznercloud/tps-action@main
 
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 927c48ebe..2c06486dd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,7 +22,7 @@ cache:
 
 build:
   stage: build
-  image: golang:1.21
+  image: golang:1.23
   script:
     - go env
     - go mod download
@@ -35,6 +35,6 @@ test:lint:
 
 test:unit:
   stage: test
-  image: golang:1.21
+  image: golang:1.23
   script:
     - make test
diff --git a/go.mod b/go.mod
index 8beffc0f9..5b1dcae7d 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,8 @@ module github.com/hetznercloud/terraform-provider-hcloud
 
 go 1.21
 
+toolchain go1.23.1
+
 require (
 	github.com/google/go-cmp v0.6.0
 	github.com/hashicorp/go-cty v1.4.1-0.20200723130312-85980079f637