diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 109ae405..239f6761 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -16,7 +16,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18
+        go-version: 1.19
     - id: test-runner
       uses: ./.github/actions/tests
       env:
@@ -28,7 +28,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18
+        go-version: 1.19
     - id: test-runner
       uses: ./.github/actions/tests
       env:
@@ -40,7 +40,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18
+        go-version: 1.19
     - id: test-runner
       uses: ./.github/actions/tests
       env:
@@ -53,7 +53,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18
+        go-version: 1.19
     - id: test-runner
       uses: ./.github/actions/tests
       env:
@@ -67,7 +67,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18
+        go-version: 1.19
     - id: test-runner
       uses: ./.github/actions/tests
       env:
@@ -79,7 +79,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18
+        go-version: 1.19
     - id: test-runner
       uses: ./.github/actions/tests
       env:
@@ -92,7 +92,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18
+        go-version: 1.19
     - id: test-runner
       uses: ./.github/actions/tests
       env:
@@ -107,7 +107,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.18
+        go-version: 1.19
     - id: test-runner
       uses: ./.github/actions/tests
       env:
diff --git a/admission-webhook/README.md b/admission-webhook/README.md
index 0ad681b4..78c88837 100644
--- a/admission-webhook/README.md
+++ b/admission-webhook/README.md
@@ -2,7 +2,7 @@
 
 ## Supported versions
 
-This branch supports versions 1.15 and later. If your Kubernetes is version 1.14, you can use the [alpha version of this webhook](https://github.com/kubernetes-sigs/windows-gmsa/tree/alpha-1.14).
+This branch supports versions 1.23 and later. 
 
 ## How to deploy
 
diff --git a/admission-webhook/go.mod b/admission-webhook/go.mod
index 59ffccf3..c1183297 100644
--- a/admission-webhook/go.mod
+++ b/admission-webhook/go.mod
@@ -1,6 +1,6 @@
 module github.com/kubernetes-sigs/windows-gmsa/admission-webhook
 
-go 1.18
+go 1.19
 
 require (
 	github.com/mitchellh/go-homedir v1.1.0
diff --git a/admission-webhook/make/image.mk b/admission-webhook/make/image.mk
index 8cef3d2d..451a08de 100644
--- a/admission-webhook/make/image.mk
+++ b/admission-webhook/make/image.mk
@@ -1,5 +1,5 @@
 # must stay consistent with the go version defined in .travis.yml
-GO_VERSION = 1.18
+GO_VERSION = 1.19
 DOCKER_BUILD = docker build . --build-arg GO_VERSION=$(GO_VERSION) --build-arg VERSION=$(TAG)
 
 .PHONY: image_build_dev