diff --git a/js/package-lock.json b/js/package-lock.json
index 6de316429..a6642a80d 100644
--- a/js/package-lock.json
+++ b/js/package-lock.json
@@ -6156,9 +6156,9 @@
       "dev": true
     },
     "terser": {
-      "version": "3.11.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-3.11.0.tgz",
-      "integrity": "sha512-5iLMdhEPIq3zFWskpmbzmKwMQixKmTYwY3Ox9pjtSklBLnHiuQ0GKJLhL1HSYtyffHM3/lDIFBnb82m9D7ewwQ==",
+      "version": "3.13.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-3.13.1.tgz",
+      "integrity": "sha512-ogyZye4DFqOtMzT92Y3Nxxw8OvXmL39HOALro4fc+EUYFFF9G/kk0znkvwMz6PPYgBtdKAodh3FPR70eugdaQA==",
       "dev": true,
       "requires": {
         "commander": "~2.17.1",
@@ -6175,9 +6175,9 @@
       }
     },
     "terser-webpack-plugin": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.1.0.tgz",
-      "integrity": "sha512-61lV0DSxMAZ8AyZG7/A4a3UPlrbOBo8NIQ4tJzLPAdGOQ+yoNC7l5ijEow27lBAL2humer01KLS6bGIMYQxKoA==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.2.1.tgz",
+      "integrity": "sha512-GGSt+gbT0oKcMDmPx4SRSfJPE1XaN3kQRWG4ghxKQw9cn5G9x6aCKSsgYdvyM0na9NJ4Drv0RG6jbBByZ5CMjw==",
       "dev": true,
       "requires": {
         "cacache": "^11.0.2",
@@ -6221,9 +6221,9 @@
           }
         },
         "p-limit": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.0.0.tgz",
-          "integrity": "sha512-fl5s52lI5ahKCernzzIyAP0QAZbGIovtVHGwpcu1Jr/EpzLVDI2myISHwGqK7m8uQFugVWSrbxH7XnhGtvEc+A==",
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.1.0.tgz",
+          "integrity": "sha512-NhURkNcrVB+8hNfLuysU8enY5xn2KXphsHBaC2YmRNTZRc7RWusw6apSpdEj3jo4CMb6W9nrF6tTnsJsJeyu6g==",
           "dev": true,
           "requires": {
             "p-try": "^2.0.0"
@@ -6797,9 +6797,9 @@
       }
     },
     "webpack": {
-      "version": "4.27.1",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.27.1.tgz",
-      "integrity": "sha512-WArHiLvHrlfyRM8i7f+2SFbr/XbQ0bXqTkPF8JpHOzub5482Y3wx7rEO8stuLGOKOgZJcqcisLhD7LrM/+fVMw==",
+      "version": "4.28.3",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.28.3.tgz",
+      "integrity": "sha512-vLZN9k5I7Nr/XB1IDG9GbZB4yQd1sPuvufMFgJkx0b31fi2LD97KQIjwjxE7xytdruAYfu5S0FLBLjdxmwGJCg==",
       "dev": true,
       "requires": {
         "@webassemblyjs/ast": "1.7.11",
diff --git a/js/package.json b/js/package.json
index 780534903..83a71f0e8 100644
--- a/js/package.json
+++ b/js/package.json
@@ -30,7 +30,7 @@
     "karma": "^3.1.4",
     "mini-css-extract-plugin": "^0.5.0",
     "uglifyjs-webpack-plugin": "^2.1.0",
-    "webpack": "^4.27.1",
+    "webpack": "^4.28.3",
     "webpack-cli": "^3.1.2",
     "webpack-merge": "^4.1.5"
   },