go.mod     | 2 +-
 ns_test.go | 6 +++---

diff --git a/go.mod b/go.mod
index a8d04582d626bc00cb340da6432f08fac82ba62d09a48b8473a4490558154ba4..e588c4ecc3afd58563ba5e6e71716be2c6deb926208a901c806f4c55199b8fac 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module go.cypherpunks.ru/netstring/v2
 
-go 1.12
+go 1.20
diff --git a/ns_test.go b/ns_test.go
index 7ae14b66de24114485d784dc0f1f6065f72b2f0911b44d8d168680193b9fca5e..23b9414d4e6ce43992c29d6e7d8155f2071b3836b144cfc0827cbe22ab9a42a6 100644
--- a/ns_test.go
+++ b/ns_test.go
@@ -36,7 +36,7 @@ 	}
 	if n, err := w.WriteChunk([]byte("barz")); err != nil || n != 7 {
 		t.FailNow()
 	}
-	if string(buf.Bytes()) != "3:foo,4:barz," {
+	if buf.String() != "3:foo,4:barz," {
 		t.FailNow()
 	}
 	r := NewReader(&buf)
@@ -53,7 +53,7 @@ 	m := make([]byte, 4)
 	if n, err := r.Read(m); err != nil || n != 4 {
 		t.FailNow()
 	}
-	if bytes.Compare(m, []byte("barz")) != 0 {
+	if !bytes.Equal(m, []byte("barz")) {
 		t.FailNow()
 	}
 }
@@ -73,7 +73,7 @@ 			if n, err := r.Next(); err != nil || n != uint64(len(data)) {
 				return false
 			}
 			got, err := io.ReadAll(r)
-			if err != nil || bytes.Compare(got, data) != 0 {
+			if err != nil || !bytes.Equal(got, data) {
 				return false
 			}
 		}