diff --git a/package-lock.json b/package-lock.json
index 4db4fde..32c9abf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,9 +21,9 @@
       }
     },
     "buffer-from": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
       "dev": true
     },
     "camel-case": {
@@ -186,9 +186,9 @@
       "dev": true
     },
     "source-map-support": {
-      "version": "0.5.16",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.16.tgz",
-      "integrity": "sha512-efyLRJDr68D9hBBNIPWFjhpFzURh+KJykQwvMyW5UiZzYwoF6l4YMMDIJJEyFWxWCqfyxLzz6tSfUFR+kXXsVQ==",
+      "version": "0.5.21",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
+      "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
       "dev": true,
       "requires": {
         "buffer-from": "^1.0.0",
@@ -196,9 +196,9 @@
       }
     },
     "terser": {
-      "version": "4.5.1",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.5.1.tgz",
-      "integrity": "sha512-lH9zLIbX8PRBEFCTvfHGCy0s9HEKnNso1Dx9swSopF3VUnFLB8DpQ61tHxoofovNC/sG0spajJM3EIIRSTByiQ==",
+      "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",
diff --git a/package.json b/package.json
index bf5e0a3..d3a9cfd 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,6 @@
   "devDependencies": {
     "clean-css-cli": "^4.3.0",
     "html-minifier": "^4.0.0",
-    "terser": "^4.5.1"
+    "terser": "^4.8.1"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 67105dc..77281f5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -158,10 +158,10 @@ source-map@^0.6.0, source-map@~0.6.0, source-map@~0.6.1:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
-terser@^4.5.1:
-  version "4.5.1"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.5.1.tgz#63b52d6b6ce344aa6fedcd0ee06a695799eb50bd"
-  integrity sha512-lH9zLIbX8PRBEFCTvfHGCy0s9HEKnNso1Dx9swSopF3VUnFLB8DpQ61tHxoofovNC/sG0spajJM3EIIRSTByiQ==
+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"