diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8fd4c488..30048641 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -19,7 +19,7 @@ repos:
       - id: fix-byte-order-marker
 
   - repo: https://github.com/golangci/golangci-lint
-    rev: v1.55.2
+    rev: v1.56.1
     hooks:
       - id: golangci-lint-full
 
diff --git a/client/nginx_test.go b/client/nginx_test.go
index bb901db0..fdbb32ef 100644
--- a/client/nginx_test.go
+++ b/client/nginx_test.go
@@ -524,7 +524,7 @@ func TestHaveSameParametersForStream(t *testing.T) {
 
 func TestClientWithCheckAPI(t *testing.T) {
 	// Create a test server that returns supported API versions
-	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
 		_, err := w.Write([]byte(`[4, 5, 6, 7, 8, 9]`))
 		if err != nil {
 			t.Fatalf("unexpected error: %v", err)