diff --git a/package.json b/package.json
index 1468bc18..3d6bd96f 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "rollup-plugin-commonjs": "^9.2.0",
     "rollup-plugin-node-resolve": "^4.0.0",
     "rollup-plugin-sourcemaps": "^0.4.2",
-    "rollup-plugin-typescript2": "^0.19.2"
+    "rollup-plugin-typescript2": "^0.20.1"
   },
   "@pika/pack": {
     "pipeline": [