diff --git a/package.json b/package.json
index bf235f5..99a6aa9 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "rollup-plugin-alias": "^2.0.0",
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-live-server": "^1.0.3",
-    "terser": "^4.2.0",
+    "terser": "^4.8.1",
     "uglify-es": "^3.3.9",
     "xmldom": "^0.6.0"
   },
diff --git a/yarn.lock b/yarn.lock
index a4d4fce..8ba1c77 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2535,10 +2535,10 @@ tar@^4:
     safe-buffer "^5.1.2"
     yallist "^3.0.3"
 
-terser@^4.1.0, terser@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.2.0.tgz#4b1b5f4424b426a7a47e80d6aae45e0d7979aef0"
-  integrity sha512-6lPt7lZdZ/13icQJp8XasFOwZjFJkxFFIb/N1fhYEQNoNI3Ilo3KABZ9OocZvZoB39r6SiIk/0+v/bt8nZoSeA==
+terser@^4.1.0, terser@^4.8.1:
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.1.tgz#a00e5634562de2239fd404c649051bf6fc21144f"
+  integrity sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"