diff --git a/.github/workflows/go-terratest.yml b/.github/workflows/go-terratest.yml
index 31aed08..22710d6 100644
--- a/.github/workflows/go-terratest.yml
+++ b/.github/workflows/go-terratest.yml
@@ -20,7 +20,7 @@ jobs:
           - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
           - uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
             with:
-              go-version: 1.22
+              go-version: 1.23
               cache-dependency-path: "test/go.sum"
           - uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd # v3.1.2
             with:
diff --git a/test/go.mod b/test/go.mod
index 93278b0..7eab261 100644
--- a/test/go.mod
+++ b/test/go.mod
@@ -1,8 +1,6 @@
 module github.com/ministryofjustice/modernisation-platform-terraform-baselines
 
-go 1.21
-
-toolchain go1.22.5
+go 1.23
 
 require (
 	github.com/gruntwork-io/terratest v0.47.2