diff --git a/index.d.ts b/index.d.ts
index c3a39a7..7c62399 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,24 +1,22 @@
-import * as React from 'react'
-import { default as tippyCore, Instance, Props, Plugin } from 'tippy.js'
+import * as React from 'react';
+import {default as tippyCore, Instance, Props, Plugin} from 'tippy.js';
 
-type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>
-
-export interface TippyProps extends Omit<Props, 'content'> {
-  content: React.ReactChild | React.ReactChild[]
-  children: React.ReactElement<any>
-  visible?: boolean
-  enabled?: boolean
-  className?: string
-  plugins?: Plugin[]
+export interface TippyProps extends Omit<Partial<Props>, 'content'> {
+  content: React.ReactChild | React.ReactChild[];
+  children: React.ReactElement<any>;
+  visible?: boolean;
+  enabled?: boolean;
+  className?: string;
+  plugins?: Plugin[];
 }
 
-declare const Tippy: React.ForwardRefExoticComponent<TippyProps>
-export default Tippy
+declare const Tippy: React.ForwardRefExoticComponent<TippyProps>;
+export default Tippy;
 
-export const tippy: typeof tippyCore
+export const tippy: typeof tippyCore;
 
-export interface TippySingletonProps extends Props {
-  children: Array<React.ReactElement<any>>
+export interface TippySingletonProps extends Partial<Props> {
+  children: Array<React.ReactElement<any>>;
 }
 
-export const TippySingleton: React.FunctionComponent<TippySingletonProps>
+export const TippySingleton: React.FunctionComponent<TippySingletonProps>;
diff --git a/package-lock.json b/package-lock.json
index 12061fd..e7e6806 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14389,9 +14389,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.3.tgz",
-      "integrity": "sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==",
+      "version": "3.6.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.6.3.tgz",
+      "integrity": "sha512-N7bceJL1CtRQ2RiG0AQME13ksR7DiuQh/QehubYcghzv20tnh+MQnQIuJddTmsbqYj+dztchykemz0zFzlvdQw==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index f674947..9d2c7f7 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "rollup-plugin-node-resolve": "^4.0.0",
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-terser": "^4.0.4",
-    "typescript": "^3.3.3"
+    "typescript": "^3.6.3"
   },
   "directories": {
     "test": "test"