diff --git a/package-lock.json b/package-lock.json
index 45e5d41d..8f32560c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8413,34 +8413,32 @@
       }
     },
     "rollup-plugin-terser": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.1.2.tgz",
-      "integrity": "sha512-sWKBCOS+vUkRtHtEiJPAf+WnBqk/C402fBD9AVHxSIXMqjsY7MnYWKYEUqGixtr0c8+1DjzUEPlNgOYQPVrS1g==",
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.3.0.tgz",
+      "integrity": "sha512-XGMJihTIO3eIBsVGq7jiNYOdDMb3pVxuzY0uhOE/FM4x/u9nQgr3+McsjzqBn3QfHIpNSZmFnpoKAwHBEcsT7g==",
       "dev": true,
       "requires": {
-        "@babel/code-frame": "^7.0.0",
-        "jest-worker": "^24.6.0",
-        "rollup-pluginutils": "^2.8.1",
-        "serialize-javascript": "^1.7.0",
-        "terser": "^4.1.0"
+        "@babel/code-frame": "^7.5.5",
+        "jest-worker": "^24.9.0",
+        "rollup-pluginutils": "^2.8.2",
+        "serialize-javascript": "^2.1.2",
+        "terser": "^4.6.2"
       },
       "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        },
-        "terser": {
-          "version": "4.3.8",
-          "resolved": "https://registry.npmjs.org/terser/-/terser-4.3.8.tgz",
-          "integrity": "sha512-otmIRlRVmLChAWsnSFNO0Bfk6YySuBp6G9qrHiJwlLDd4mxe2ta4sjI7TzIR+W1nBMjilzrMcPOz9pSusgx3hQ==",
+        "rollup-pluginutils": {
+          "version": "2.8.2",
+          "resolved": "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-2.8.2.tgz",
+          "integrity": "sha512-EEp9NhnUkwY8aif6bxgovPHMoMoNr2FulJziTndpt5H9RdwC47GSGuII9XxpSdzVGM0GWrNPHV6ie1LTNJPaLQ==",
           "dev": true,
           "requires": {
-            "commander": "^2.20.0",
-            "source-map": "~0.6.1",
-            "source-map-support": "~0.5.12"
+            "estree-walker": "^0.6.1"
           }
+        },
+        "serialize-javascript": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
+          "integrity": "sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==",
+          "dev": true
         }
       }
     },
@@ -8856,9 +8854,9 @@
       }
     },
     "source-map-support": {
-      "version": "0.5.13",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.13.tgz",
-      "integrity": "sha512-SHSKFHadjVA5oR4PPqhtAVdcBWwRYVd6g6cAXnIbRiIwc2EhPrTuKUBdSLvlEKyIP3GCf89fltvcZiP9MMFA1w==",
+      "version": "0.5.16",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.16.tgz",
+      "integrity": "sha512-efyLRJDr68D9hBBNIPWFjhpFzURh+KJykQwvMyW5UiZzYwoF6l4YMMDIJJEyFWxWCqfyxLzz6tSfUFR+kXXsVQ==",
       "dev": true,
       "requires": {
         "buffer-from": "^1.0.0",
@@ -9192,6 +9190,25 @@
       "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.2.0.tgz",
       "integrity": "sha512-e900nM8RRtGhlV36KGEU9k65K3mPb1WV70OdjfxlG2EAuM1noi/E/BaW/uMhL7bPEssK8QV57vN3esixjUvcXQ=="
     },
+    "terser": {
+      "version": "4.6.6",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.6.tgz",
+      "integrity": "sha512-4lYPyeNmstjIIESr/ysHg2vUPRGf2tzF9z2yYwnowXVuVzLEamPN1Gfrz7f8I9uEPuHcbFlW4PLIAsJoxXyJ1g==",
+      "dev": true,
+      "requires": {
+        "commander": "^2.20.0",
+        "source-map": "~0.6.1",
+        "source-map-support": "~0.5.12"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
+      }
+    },
     "throttleit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/throttleit/-/throttleit-1.0.0.tgz",
diff --git a/package.json b/package.json
index f6ee9485..6bcd4fab 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "rollup-plugin-postcss": "^2.0.3",
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-serve": "^1.0.1",
-    "rollup-plugin-terser": "^5.1.2",
+    "rollup-plugin-terser": "^5.3.0",
     "rollup-plugin-typescript2": "^0.26.0",
     "rollup-plugin-uglify": "^6.0.3",
     "rollup-plugin-visualizer": "^3.3.1",