diff --git a/packages/node_modules/overmind-vue/src/index.ts b/packages/node_modules/overmind-vue/src/index.ts
index 31604442..0906083b 100644
--- a/packages/node_modules/overmind-vue/src/index.ts
+++ b/packages/node_modules/overmind-vue/src/index.ts
@@ -1,11 +1,11 @@
 import { TApp, EventType, Overmind, Configuration } from 'overmind'
 import Vue, { ComponentOptions } from 'vue'
+import { IMutation } from 'proxy-state-tree'
 
 export type TConnect<Config extends Configuration> = {
-  overmind: {
-    state: TApp<Config>['state']
-    actions: TApp<Config>['actions']
-  }
+  state: TApp<Config>['state']
+  actions: TApp<Config>['actions']
+  addMutationListener: (cb: (mutation: IMutation) => void) => () => void
 }
 
 type DefaultData<V> = object | ((this: V) => object)