diff --git a/package.json b/package.json
index cade8dc..1871985 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "rollup-plugin-preserve-shebang": "^0.1.6",
     "rollup-plugin-sizes": "^0.4.2",
     "rollup-plugin-terser": "^3.0.0",
-    "rollup-plugin-typescript2": "^0.18.0",
+    "rollup-plugin-typescript2": "^0.19.0",
     "sade": "^1.4.0",
     "tiny-glob": "^0.2.6",
     "tslib": "^1.9.0",