diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 24eea09..25d7d52 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: "1.19"
+          go-version-file: 'action/go.mod'
       - run: go version
 
       - name: Set up the action
@@ -52,8 +52,9 @@ jobs:
           - macos-latest
           - windows-latest
         go:
-          - "1.11" # first version that supports go modules
-          - "1.x" # latest version
+          - "1.11" # minumum version goveralls supports
+          - "oldstable"
+          - "stable"
 
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/go.mod b/go.mod
index 17ed568..c54ea6e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/shogo82148/actions-goveralls
 
-go 1.19
+go 1.20
 
 require github.com/mattn/goveralls v0.0.11
 
diff --git a/run-in-docker.sh b/run-in-docker.sh
index 1886aa8..6b02dbd 100755
--- a/run-in-docker.sh
+++ b/run-in-docker.sh
@@ -8,4 +8,4 @@ docker run --rm \
     -v actions-goveralls-cache:/go/pkg/mod \
     -v actions-goveralls-cache:/root/.cache \
     -v "$CURRENT":/go/src/github.com/shogo82148/actions-goveralls \
-    -w /go/src/github.com/shogo82148/actions-goveralls golang:1.19.2 "$@"
+    -w /go/src/github.com/shogo82148/actions-goveralls golang:1.20.3 "$@"