diff --git a/package.json b/package.json
index 37b8e15..064d97c 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "mocha": "^5.0.4",
     "parse-json": "^4.0.0",
     "rollup": "^0.60.0",
-    "rollup-plugin-babel": "^3.0.3",
+    "rollup-plugin-babel": "^4.0.1",
     "semantic-release": "^15.0.0",
     "sinon": "^6.0.0",
     "sinon-stub-promise": "^4.0.0",