diff --git a/package.json b/package.json
index f603cc1..da07bfc 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "rollup-plugin-json": "^3.0.0",
     "rollup-plugin-node-resolve": "^3.3.0",
     "rollup-plugin-sourcemaps": "^0.4.2",
-    "rollup-plugin-typescript2": "^0.17.0",
+    "rollup-plugin-typescript2": "^0.20.1",
     "semantic-release": "^15.9.12",
     "ts-jest": "^23.1.4",
     "tslint": "^5.11.0",