diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c94e753..be0c4a3 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,10 +12,10 @@ jobs:
     steps:
     - name: Checkout code
       uses: actions/checkout@v2
-    - name: Set up Go 1.14
+    - name: Set up Go 1.22
       uses: actions/setup-go@v1
       with:
-        go-version: 1.14
+        go-version: 1.22
       id: go
     - name: Test
-      run: go test -v ./...
+      run: go test -v ./...
\ No newline at end of file
diff --git a/main_test.go b/main_test.go
index 4135187..b0aa1eb 100644
--- a/main_test.go
+++ b/main_test.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"encoding/json"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/http/httptest"
 	"os"
@@ -108,7 +108,7 @@ func TestSendMessage(t *testing.T) {
 	event := corev2.FixtureEvent("entity1", "check1")
 
 	var apiStub = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		body, _ := ioutil.ReadAll(r.Body)
+		body, _ := io.ReadAll(r.Body)
 		expectedBody := `{"channel":"#test","attachments":[{"color":"good","fallback":"RESOLVED - entity1/check1:","title":"Description","text":"","fields":[{"title":"Status","value":"Resolved","short":false},{"title":"Entity","value":"entity1","short":true},{"title":"Check","value":"check1","short":true}]}]}`
 		assert.Equal(expectedBody, string(body))
 		w.WriteHeader(http.StatusOK)
@@ -125,7 +125,7 @@ func TestSendMessage(t *testing.T) {
 
 func TestMain(t *testing.T) {
 	assert := assert.New(t)
-	file, _ := ioutil.TempFile(os.TempDir(), "sensu-handler-slack-")
+	file, _ := os.CreateTemp(os.TempDir(), "sensu-handler-slack-")
 	defer func() {
 		_ = os.Remove(file.Name())
 	}()