diff --git a/package.json b/package.json
index 8982d3c..90916b5 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "rollup-plugin-babel": "^4.0.3",
     "rollup-plugin-commonjs": "^10.0.0",
     "rollup-plugin-node-resolve": "^5.0.0",
-    "rollup-plugin-terser": "^5.0.0",
+    "rollup-plugin-terser": "^6.0.0",
     "sinon": "^9.0.0",
     "typescript": "^3.5.1"
   }