diff --git a/events/secretsmanager.go b/events/secretsmanager.go
index fd2bea10..6ec7cd6c 100644
--- a/events/secretsmanager.go
+++ b/events/secretsmanager.go
@@ -8,4 +8,5 @@ type SecretsManagerSecretRotationEvent struct {
 	Step               string `json:"Step"`
 	SecretID           string `json:"SecretId"`
 	ClientRequestToken string `json:"ClientRequestToken"`
+	RotationToken	   string `json:"RotationToken"` 
 }
diff --git a/events/testdata/secretsmanager-secret-rotation-event.json b/events/testdata/secretsmanager-secret-rotation-event.json
index 5f444cd0..329ed19d 100644
--- a/events/testdata/secretsmanager-secret-rotation-event.json
+++ b/events/testdata/secretsmanager-secret-rotation-event.json
@@ -1,5 +1,6 @@
 {
   "Step": "createSecret",
   "SecretId": "arn:aws:secretsmanager:us-east-1:111122223333:secret:id-ABCD1E",
-  "ClientRequestToken": "1ab23456-cde7-8912-34fg-h56i78j9k12l"
+  "ClientRequestToken": "1ab23456-cde7-8912-34fg-h56i78j9k12l",
+  "RotationToken": "abcd1234-efgh-5678-ijkl-8ab4515a7db0"
 }
\ No newline at end of file