diff --git a/package-lock.json b/package-lock.json
index d823ffe..449aa95 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5364,20 +5364,20 @@
       "dev": true
     },
     "terser": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-5.2.1.tgz",
-      "integrity": "sha512-/AOtjRtAMNGO0fIF6m8HfcvXTw/2AKpsOzDn36tA5RfhRdeXyb4RvHxJ5Pah7iL6dFkLk+gOnCaNHGwJPl6TrQ==",
+      "version": "5.3.8",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.3.8.tgz",
+      "integrity": "sha512-zVotuHoIfnYjtlurOouTazciEfL7V38QMAOhGqpXDEg6yT13cF4+fEP9b0rrCEQTn+tT46uxgFsTZzhygk+CzQ==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
-        "source-map": "~0.6.1",
-        "source-map-support": "~0.5.12"
+        "source-map": "~0.7.2",
+        "source-map-support": "~0.5.19"
       },
       "dependencies": {
         "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "version": "0.7.3",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+          "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==",
           "dev": true
         }
       }
diff --git a/package.json b/package.json
index 04c6f64..9720649 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "rollup-plugin-terser": "7.0.1",
     "sirv-cli": "1.0.6",
     "sucrase": "3.15.0",
-    "terser": "5.2.1",
+    "terser": "5.3.8",
     "typescript": "4.0.2"
   },
   "dependencies": {