diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5934a3dafe..98d3d9a754 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     container:
       # Whenever the Go version is updated here, .promu.yml
       # should also be updated.
-      image: quay.io/prometheus/golang-builder:1.22-base
+      image: quay.io/prometheus/golang-builder:1.23-base
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
       - uses: prometheus/promci@45166329da36d74895901808f1c8c97efafc7f84 # v0.3.0
@@ -25,7 +25,7 @@ jobs:
     name: More Go tests
     runs-on: ubuntu-latest
     container:
-      image: quay.io/prometheus/golang-builder:1.22-base
+      image: quay.io/prometheus/golang-builder:1.23-base
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
       - uses: prometheus/promci@45166329da36d74895901808f1c8c97efafc7f84 # v0.3.0
@@ -39,9 +39,12 @@ jobs:
   test_go_oldest:
     name: Go tests with previous Go version
     runs-on: ubuntu-latest
+    env:
+      # Enforce the Go version.
+      GOTOOLCHAIN: local
     container:
       # The go version in this image should be N-1 wrt test_go.
-      image: quay.io/prometheus/golang-builder:1.21-base
+      image: quay.io/prometheus/golang-builder:1.22-base
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
       - run: make build
@@ -54,7 +57,7 @@ jobs:
     # Whenever the Go version is updated here, .promu.yml
     # should also be updated.
     container:
-      image: quay.io/prometheus/golang-builder:1.22-base
+      image: quay.io/prometheus/golang-builder:1.23-base
 
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
@@ -77,7 +80,7 @@ jobs:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
       - uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
       - run: |
           $TestTargets = go list ./... | Where-Object { $_ -NotMatch "(github.com/prometheus/prometheus/discovery.*|github.com/prometheus/prometheus/config|github.com/prometheus/prometheus/web)"}
           go test $TestTargets -vet=off -v
@@ -89,7 +92,7 @@ jobs:
     # Whenever the Go version is updated here, .promu.yml
     # should also be updated.
     container:
-      image: quay.io/prometheus/golang-builder:1.22-base
+      image: quay.io/prometheus/golang-builder:1.23-base
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
       - run: go install ./cmd/promtool/.
@@ -165,7 +168,7 @@ jobs:
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
           cache: false
-          go-version: 1.22.x
+          go-version: 1.23.x
       - name: Run goyacc and check for diff
         run: make install-goyacc check-generated-parser
   golangci:
@@ -177,7 +180,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
       - name: Install snmp_exporter/generator dependencies
         run: sudo apt-get update && sudo apt-get -y install libsnmp-dev
         if: github.repository == 'prometheus/snmp_exporter'
diff --git a/.promu.yml b/.promu.yml
index 0aa51d6d31..699a7fa585 100644
--- a/.promu.yml
+++ b/.promu.yml
@@ -1,7 +1,7 @@
 go:
     # Whenever the Go version is updated here,
     # .github/workflows should also be updated.
-    version: 1.22
+    version: 1.23
 repository:
     path: github.com/prometheus/prometheus
 build:
diff --git a/documentation/examples/remote_storage/go.mod b/documentation/examples/remote_storage/go.mod
index 22a292db0f..7fa830c7ca 100644
--- a/documentation/examples/remote_storage/go.mod
+++ b/documentation/examples/remote_storage/go.mod
@@ -1,6 +1,6 @@
 module github.com/prometheus/prometheus/documentation/examples/remote_storage
 
-go 1.21.0
+go 1.22.0
 
 require (
 	github.com/alecthomas/kingpin/v2 v2.4.0
diff --git a/go.mod b/go.mod
index 83f3246f35..ebb4ae9a15 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,8 @@
 module github.com/prometheus/prometheus
 
-go 1.21.0
+go 1.22.0
 
-toolchain go1.22.5
+toolchain go1.23.0
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.14.0
diff --git a/scripts/golangci-lint.yml b/scripts/golangci-lint.yml
index f4a7385bb5..a15cfc97f0 100644
--- a/scripts/golangci-lint.yml
+++ b/scripts/golangci-lint.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
         with:
-          go-version: 1.22.x
+          go-version: 1.23.x
       - name: Install snmp_exporter/generator dependencies
         run: sudo apt-get update && sudo apt-get -y install libsnmp-dev
         if: github.repository == 'prometheus/snmp_exporter'