diff --git a/package_template.json b/package_template.json
index 99a44b1..3dc45ea 100644
--- a/package_template.json
+++ b/package_template.json
@@ -39,7 +39,7 @@
         "rollup": "^1.20.0",
         "rollup-plugin-babel": "^4.0.2",
         "rollup-plugin-svelte": "^5.0.1",
-        "rollup-plugin-terser": "^4.0.4"
+        "rollup-plugin-terser": "^5.3.0"
       }
     },
     "webpack": {