diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index e9d279e..f738734 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -7,12 +7,12 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
+      - name: Checkout code
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332  # v4.1.7
       - name: Install Go
         uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32  # v5.0.2
         with:
-          go-version: 1.20.x
-      - name: Checkout code
-        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332  # v4.1.7
+          go-version-file: go.mod
       - name: Test
         run: go test -mod=vendor ./...
 
diff --git a/Dockerfile b/Dockerfile
index 130850a..5e52d6b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM amd64/golang:1.20.3-alpine3.17 as builder
+FROM amd64/golang:1.23.1-alpine3.20 as builder
 
 WORKDIR /usr/src/pdsync
 
diff --git a/go.mod b/go.mod
index d1b969b..c625205 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/timoreimann/pdsync
 
-go 1.20
+go 1.23
 
 require (
 	github.com/PagerDuty/go-pagerduty v1.1.2