diff --git a/package-lock.json b/package-lock.json
index 32590d2e..af8d07c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6323,9 +6323,9 @@
       "integrity": "sha512-R+5S9eV9vcQgWOoS4D87joZ4xkFJHb19ZsyKY07D1+VBDE9bwYcU+KXE0r5XlDA8mFoJGyuWDbfrNoh90JsA8g=="
     },
     "terser": {
-      "version": "4.3.1",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.3.1.tgz",
-      "integrity": "sha512-pnzH6dnFEsR2aa2SJaKb1uSCl3QmIsJ8dEkj0Fky+2AwMMcC9doMqLOQIH6wVTEKaVfKVvLSk5qxPBEZT9mywg==",
+      "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",
@@ -6334,9 +6334,9 @@
       },
       "dependencies": {
         "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",
diff --git a/package.json b/package.json
index ba310fa3..6e764beb 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "rollup": "^1.21.4",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-node-resolve": "^5.2.0",
-    "terser": "4.3.1"
+    "terser": "4.8.1"
   },
   "dependencies": {
     "tslib": "1.9.3",
diff --git a/yarn.lock b/yarn.lock
index 54e1066e..5ea1d675 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3694,9 +3694,9 @@ systemjs@0.21.6:
   version "0.21.6"
   resolved "https://registry.yarnpkg.com/systemjs/-/systemjs-0.21.6.tgz#9d15e79d9f60abbac23f0d179f887ec01f260a1b"
 
-terser@4.3.1:
-  version "4.3.1"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.3.1.tgz#09820bcb3398299c4b48d9a86aefc65127d0ed65"
+terser@4.8.1:
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.1.tgz#a00e5634562de2239fd404c649051bf6fc21144f"
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"