diff --git a/src/index.d.ts b/src/index.d.ts
index 98ab78a..8a5e2b8 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -1,6 +1,7 @@
 import {State} from "router5";
 import {IComputedValue} from "mobx/lib/core/computedvalue";
 import {Route, Router} from "router5/create-router";
+import {Options} from "router5/core/navigation";
 
 declare module "mobx-router5" {
   import {PluginFactory} from "router5/core/plugins";
@@ -19,12 +20,12 @@ declare module "mobx-router5" {
     public updateRoute: (routeType: string, route: Route) => void;
     public resetRoute: (routeType: string) => void;
     public onTransitionStart: (route: Route, previousRoute: Route) => void;
-    public onTransitionSuccess: (route: Route, previousRoute: Route, opts) => void;
+    public onTransitionSuccess: (route: Route, previousRoute: Route, opts: Options) => void;
     public onTransitionCancel: (route: Route, previousRoute: Route) => void;
     public onTransitionError: (route: Route, previousRoute: Route, transitionError: any) => void;
     public clearErrors: () => void;
     public navigate: (toRoute: string, params?: Params) => void;
-    public shouldUpdateNodeFactory: (nodeName) => IComputedValue<(toState: State, fromState?: State) => Boolean>;
+    public shouldUpdateNodeFactory: (nodeName: string) => IComputedValue<(toState: State, fromState?: State) => Boolean>;
   }
 
   function mobxPlugin(routerStore: RouterStore): PluginFactory;