diff --git a/litellm/types/router.py b/litellm/types/router.py
index 7fc961554..bb6d0d809 100644
--- a/litellm/types/router.py
+++ b/litellm/types/router.py
@@ -179,6 +179,7 @@ class GenericLiteLLMParams(BaseModel):
         ## VERTEX AI ##
         vertex_project: Optional[str] = None,
         vertex_location: Optional[str] = None,
+        vertex_credentials: Optional[str] = None,
         ## AWS BEDROCK / SAGEMAKER ##
         aws_access_key_id: Optional[str] = None,
         aws_secret_access_key: Optional[str] = None,