diff --git a/jquery.validation/jquery.validation.d.ts b/jquery.validation/jquery.validation.d.ts
index 2b708666c..afdbcea5d 100644
--- a/jquery.validation/jquery.validation.d.ts
+++ b/jquery.validation/jquery.validation.d.ts
@@ -10,28 +10,28 @@ interface ValidationOptions
 {
 	debug?: boolean;
 	errorClass?: string;
-	errorContainer?: any;
+	errorContainer?: string;
 	errorElement?: string;
-	errorLabelContainer?: any;
-	errorPlacement?: Function;
+	errorLabelContainer?: string;
+	errorPlacement?: (error: JQuery, element: JQuery) => void;
 	focusCleanup?: boolean;
 	focusInvalid?: boolean;
-	groups?: any;
-	highlight?: Function;
-	ignore?: any;
+	groups?: Object;
+	highlight?: (element: HTMLElement, errorClass: string, validClass: string) => void;
+	ignore?: string;
 	ignoreTitle?: boolean;
-	invalidHandler?: Function;
-	messages?: any;
+	invalidHandler?: (event: JQueryEventObject, validator: Validator) => void;
+	messages?: Object;
 	meta?: string;
 	onclick?: boolean;
 	onfocusout?: boolean;
 	onkeyup?: boolean;
 	onsubmit?: boolean;
-	rules?: any;
-	showErrors?: Function;
-	submitHandler?: Function;
+	rules?: Object;
+	showErrors?: (errorMap: Object, errorList: ErrorListItem[]) => void;
+	submitHandler?: (form: HTMLFormElement) => void;
 	success?: any;
-	unhighlight?: Function;
+	unhighlight?: (element: HTMLElement, errorClass: string, validClass: string) => void;
 	validClass?: string;
 	wrapper?: string;
 }