diff --git a/source/package-lock.json b/source/package-lock.json
index a902e62..85b83ae 100644
--- a/source/package-lock.json
+++ b/source/package-lock.json
@@ -2203,7 +2203,7 @@
     "setimmediate": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.4.tgz",
-      "integrity": "sha1-IOgd5iLUoCWIzgyNqJc8vPHTE48="
+      "integrity": "sha512-/TjEmXQVEzdod/FFskf3o7oOAsGhHf2j1dZqRFbDzq4F3mvvxflIIi4Hd3bLQE9y/CpwqfSQam5JakI/mi3Pog=="
     },
     "sha.js": {
       "version": "2.4.11",
@@ -2404,9 +2404,9 @@
       }
     },
     "terser": {
-      "version": "4.8.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.0.tgz",
-      "integrity": "sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -2627,7 +2627,7 @@
     "uuid": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.1.tgz",
-      "integrity": "sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w="
+      "integrity": "sha512-nWg9+Oa3qD2CQzHIP4qKUqwNfzKn8P0LtFhotaCTFchsV7ZfDhAybeip/HZVeMIpZi9JgY1E3nUlwaCmZT1sEg=="
     },
     "vm-browserify": {
       "version": "1.1.2",
@@ -2661,7 +2661,7 @@
     "xmlhttprequest": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
-      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+      "integrity": "sha512-58Im/U0mlVBLM38NdZjHyhuMtCqa61469k2YP/AaPbvCoV9aQGUpbJBj1QRm2ytRiVQBD/fsw7L2bJGDVQswBA=="
     },
     "xtend": {
       "version": "4.0.2",
diff --git a/source/package.json b/source/package.json
index c522372..69f4ffe 100644
--- a/source/package.json
+++ b/source/package.json
@@ -21,7 +21,7 @@
     "browser-resolve": "^1.11.3",
     "browserify": "^16.5.2",
     "common-shakeify": "^0.6.2",
-    "terser": "^4.8.0",
+    "terser": "^4.8.1",
     "uglifyify": "^5.0.2",
     "unassertify": "^2.1.1"
   }