diff --git a/package-lock.json b/package-lock.json
index 118a9dfb..3fab9467 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13644,9 +13644,9 @@
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     },
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-      "version": "3.10.11",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-3.10.11.tgz",
-      "integrity": "sha512-iruZ7j14oBbRYJC5cP0/vTU7YOWjN+J1ZskEGoF78tFzXdkK2hbCL/3TRZN8XB+MuvFhvOHMp7WkOCBO4VEL5g==",
+      "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",
@@ -13673,9 +13673,9 @@
       }
     },
     "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": "1.2.0",
+      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.2.0.tgz",
+      "integrity": "sha512-QW7RACLS89RalHtLDb0s8+Iqcs/IAEw1rnVrV+mS7Gx1kgPG8o1g33JhAGDgc/CQ84hLsTW5WrAMdVysh692yg==",
       "dev": true,
       "requires": {
         "cacache": "^11.0.2",
@@ -13688,25 +13688,31 @@
         "worker-farm": "^1.5.2"
       },
       "dependencies": {
+        "bluebird": {
+          "version": "3.5.3",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
+          "integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==",
+          "dev": true
+        },
         "cacache": {
-          "version": "11.3.1",
-          "resolved": "https://registry.npmjs.org/cacache/-/cacache-11.3.1.tgz",
-          "integrity": "sha512-2PEw4cRRDu+iQvBTTuttQifacYjLPhET+SYO/gEFMy8uhi+jlJREDAjSF5FWSdV/Aw5h18caHA7vMTw2c+wDzA==",
+          "version": "11.3.2",
+          "resolved": "https://registry.npmjs.org/cacache/-/cacache-11.3.2.tgz",
+          "integrity": "sha512-E0zP4EPGDOaT2chM08Als91eYnf8Z+eH1awwwVsngUmgppfM5jjJ8l3z5vO5p5w/I3LsiXawb1sW0VY65pQABg==",
           "dev": true,
           "requires": {
-            "bluebird": "^3.5.1",
-            "chownr": "^1.0.1",
-            "figgy-pudding": "^3.1.0",
-            "glob": "^7.1.2",
-            "graceful-fs": "^4.1.11",
-            "lru-cache": "^4.1.3",
+            "bluebird": "^3.5.3",
+            "chownr": "^1.1.1",
+            "figgy-pudding": "^3.5.1",
+            "glob": "^7.1.3",
+            "graceful-fs": "^4.1.15",
+            "lru-cache": "^5.1.1",
             "mississippi": "^3.0.0",
             "mkdirp": "^0.5.1",
             "move-concurrently": "^1.0.1",
             "promise-inflight": "^1.0.1",
             "rimraf": "^2.6.2",
-            "ssri": "^6.0.0",
-            "unique-filename": "^1.1.0",
+            "ssri": "^6.0.1",
+            "unique-filename": "^1.1.1",
             "y18n": "^4.0.0"
           }
         },
@@ -13730,6 +13736,12 @@
             "locate-path": "^3.0.0"
           }
         },
+        "graceful-fs": {
+          "version": "4.1.15",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.15.tgz",
+          "integrity": "sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==",
+          "dev": true
+        },
         "locate-path": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
@@ -13740,6 +13752,15 @@
             "path-exists": "^3.0.0"
           }
         },
+        "lru-cache": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-5.1.1.tgz",
+          "integrity": "sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w==",
+          "dev": true,
+          "requires": {
+            "yallist": "^3.0.2"
+          }
+        },
         "mississippi": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/mississippi/-/mississippi-3.0.0.tgz",
@@ -13801,17 +13822,6 @@
             "once": "^1.3.1"
           }
         },
-        "schema-utils": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-1.0.0.tgz",
-          "integrity": "sha512-i27Mic4KovM/lnGsy8whRCHhc7VicJajAjTrYg11K9zfZXnYIt4k5F+kZkwjnrhKzLic/HLU4j11mjsz2G/75g==",
-          "dev": true,
-          "requires": {
-            "ajv": "^6.1.0",
-            "ajv-errors": "^1.0.0",
-            "ajv-keywords": "^3.1.0"
-          }
-        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -13826,6 +13836,21 @@
           "requires": {
             "figgy-pudding": "^3.5.1"
           }
+        },
+        "unique-filename": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/unique-filename/-/unique-filename-1.1.1.tgz",
+          "integrity": "sha512-Vmp0jIp2ln35UTXuryvjzkjGdRyf9b2lTXuSYUiPmzRcl3FDtYqAwOnTJkAngD9SWhnoJzDbTKwaOrZ+STtxNQ==",
+          "dev": true,
+          "requires": {
+            "unique-slug": "^2.0.0"
+          }
+        },
+        "yallist": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
+          "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
+          "dev": true
         }
       }
     },
diff --git a/package.json b/package.json
index 91df79d9..6e95fc1b 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "script-ext-html-webpack-plugin": "2.1.3",
     "source-map-loader": "0.2.4",
     "style-loader": "0.23.1",
-    "terser-webpack-plugin": "1.1.0",
+    "terser-webpack-plugin": "1.2.0",
     "ts-loader": "5.3.2",
     "tslint": "5.12.0",
     "tslint-config-airbnb": "5.11.1",