diff --git a/package-lock.json b/package-lock.json
index bbc78be..12b750f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "typesafe-actions",
-  "version": "2.2.0",
+  "version": "3.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -6656,9 +6656,9 @@
       }
     },
     "typescript": {
-      "version": "2.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.9.2.tgz",
-      "integrity": "sha512-Gr4p6nFNaoufRIY4NMdpQRNmgxVIGMs4Fcu/ujdYk3nAZqk7supzBE9idmvfZIlH/Cuj//dvi+019qEue9lV0w==",
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.2.2.tgz",
+      "integrity": "sha512-VCj5UiSyHBjwfYacmDuc/NOk4QQixbE+Wn7MFJuS0nRuPQbof132Pw4u53dm264O8LPc2MVsc7RJNml5szurkg==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 82febee..a289a14 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "typesafe-actions",
-  "version": "2.2.0",
+  "version": "3.0.0",
   "description": "Typesafe Action Creators for Redux / Flux Architectures (in TypeScript)",
   "author": "Piotr Witek <piotrek.witek@gmail.com> (http://piotrwitek.github.io)",
   "repository": "https://github.com/piotrwitek/typesafe-actions",
@@ -51,7 +51,7 @@
     "rollup-plugin-uglify": "3.0.0",
     "ts-jest": "22.4.6",
     "tslint": "5.12.0",
-    "typescript": "2.9.2"
+    "typescript": "3.2.2"
   },
   "keywords": [
     "typescript",
diff --git a/src/create-action.ts b/src/create-action.ts
index cd2da60..86ec764 100644
--- a/src/create-action.ts
+++ b/src/create-action.ts
@@ -30,7 +30,9 @@ export function createAction<
   const actionCreator: AC =
     actionResolverHandler == null
       ? ((() => action(actionType)) as AC)
-      : actionResolverHandler(action.bind(null, actionType) as any);
+      : actionResolverHandler(action.bind(null, actionType) as Parameters<
+          typeof actionResolverHandler
+        >[0]);
 
   return Object.assign(actionCreator, {
     getType: () => actionType,