diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index 28ae149..93e1e49 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -23,7 +23,7 @@ jobs:
         uses: actions/setup-go@v5
         with:
           check-latest: true
-          go-version: 1.22.6
+          go-version: 1.23.0
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
         with:
diff --git a/go.mod b/go.mod
index 9f661a5..3985cc0 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,6 @@
 module github.com/sapcc/digicert-issuer
 
-go 1.22.0
-
-toolchain go1.23.0
+go 1.23.0
 
 require (
 	github.com/cert-manager/cert-manager v1.15.3