diff --git a/contracts/nns/config.yml b/contracts/nns/config.yml
index 2c156972..8341e943 100644
--- a/contracts/nns/config.yml
+++ b/contracts/nns/config.yml
@@ -22,6 +22,14 @@ events:
         type: Hash160
       - name: newAdmin
         type: Hash160
+  - name: Renew
+    parameters:
+      - name: name
+        type: String
+      - name: oldExpiration
+        type: Integer
+      - name: newExpiration
+        type: Integer
 permissions:
   - hash: fffdc93764dbaddd97c48f252a53ea4643faa3fd
     methods: ["update"]
diff --git a/contracts/nns/contract.go b/contracts/nns/contract.go
index a32dbb9b..d2a8ef79 100644
--- a/contracts/nns/contract.go
+++ b/contracts/nns/contract.go
@@ -483,6 +483,7 @@ func Renew(name string, years int) int64 {
 	ctx := storage.GetContext()
 	ns := getNameState(ctx, []byte(name))
 	ns.checkAdmin()
+	oldExpiration := ns.Expiration
 	ns.Expiration += millisecondsInYear * int64(years)
 
 	fragments := splitAndCheck(name)
@@ -491,6 +492,7 @@ func Renew(name string, years int) int64 {
 		panic("10 years of expiration period at max is allowed")
 	}
 	putNameState(ctx, ns)
+	runtime.Notify("Renew", name, oldExpiration, ns.Expiration)
 	return ns.Expiration
 }
 
diff --git a/tests/nns_test.go b/tests/nns_test.go
index a8afa383..3f8e421b 100644
--- a/tests/nns_test.go
+++ b/tests/nns_test.go
@@ -412,11 +412,21 @@ func TestNNSRenew(t *testing.T) {
 	const msPerYear = 365 * 24 * time.Hour / time.Millisecond
 	b := c.TopBlock(t)
 	renewalPeriod := int64(2)
-	ts := b.Timestamp + uint64(expire*1000) + uint64(msPerYear)*uint64(renewalPeriod)
+	oldExpiration := b.Timestamp + uint64(expire*1000)
+	ts := oldExpiration + uint64(msPerYear)*uint64(renewalPeriod)
 
 	cAcc := c.WithSigners(acc)
 	cAcc.InvokeFail(t, "not witnessed by admin", "renew", "testdomain.com", renewalPeriod)
-	c1.Invoke(t, ts, "renew", "testdomain.com", renewalPeriod)
+	h := c1.Invoke(t, ts, "renew", "testdomain.com", renewalPeriod)
+	cAcc.CheckTxNotificationEvent(t, h, 0, state.NotificationEvent{
+		ScriptHash: cAcc.Hash,
+		Name:       "Renew",
+		Item: stackitem.NewArray([]stackitem.Item{
+			stackitem.NewByteArray([]byte("testdomain.com")),
+			stackitem.Make(oldExpiration),
+			stackitem.Make(ts),
+		}),
+	})
 	expected := stackitem.NewMapWithValue([]stackitem.MapElement{
 		{Key: stackitem.Make("name"), Value: stackitem.Make("testdomain.com")},
 		{Key: stackitem.Make("expiration"), Value: stackitem.Make(ts)},
@@ -429,7 +439,16 @@ func TestNNSRenew(t *testing.T) {
 	c1.InvokeFail(t, "10 years of expiration period at max is allowed", "renew", "testdomain.com", 10)
 
 	// Default renewal period.
-	c1.Invoke(t, ts+uint64(msPerYear), "renew", "testdomain.com")
+	h = c1.Invoke(t, ts+uint64(msPerYear), "renew", "testdomain.com")
+	c1.CheckTxNotificationEvent(t, h, 0, state.NotificationEvent{
+		ScriptHash: cAcc.Hash,
+		Name:       "Renew",
+		Item: stackitem.NewArray([]stackitem.Item{
+			stackitem.NewByteArray([]byte("testdomain.com")),
+			stackitem.Make(ts),
+			stackitem.Make(ts + uint64(msPerYear)),
+		}),
+	})
 }
 
 func TestNNSResolve(t *testing.T) {