diff --git a/package-lock.json b/package-lock.json
index a2561cd65..475a06238 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,12 +11,12 @@
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+            "requires": {
+                "define-properties": "^1.1.3",
+                "function-bind": "^1.1.1"
+            }
+        },
+        "string.prototype.trimright": {
+            "version": "2.1.1",
+            "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.1.tgz",
+            "integrity": "sha512-qFvWL3/+QIgZXVmJBfpHmxLB7xsUXz6HsUmP8+5dRaC3Q7oKUv9Vo6aMCRZC1smrtyECFsIT30PqBJ1gTjAs+g==",
+            "dev": true,
+            "requires": {
+                "define-properties": "^1.1.3",
+                "function-bind": "^1.1.1"
+            }
+        },
         "string_decoder": {
             "version": "1.1.1",
             "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -10702,9 +10802,9 @@
             },
             "dependencies": {
                 "schema-utils": {
-                    "version": "2.6.0",
-                    "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-2.6.0.tgz",
-                    "integrity": "sha512-UlPB1ME4i/71cih/Rv92gK8043CrJTc2mjkyxDp4pdJ7ZfzY0g0hdGjjDB23jX3X+NXSneCdQbScGhn6K2tbpQ==",
+                    "version": "2.6.1",
+                    "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-2.6.1.tgz",
+                    "integrity": "sha512-0WXHDs1VDJyo+Zqs9TKLKyD/h7yDpHUhEFsM2CzkICFdoX1av+GBq/J2xRTFfsQO5kBfhZzANf2VcIm84jqDbg==",
                     "dev": true,
                     "requires": {
                         "ajv": "^6.10.2",
@@ -10914,16 +11014,16 @@
             }
         },
         "terser-webpack-plugin": {
-            "version": "1.4.1",
-            "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.4.1.tgz",
-            "integrity": "sha512-ZXmmfiwtCLfz8WKZyYUuuHf3dMYEjg8NrjHMb0JqHVHVOSkzp3cW2/XG1fP3tRhqEqSzMwzzRQGtAPbs4Cncxg==",
+            "version": "1.4.3",
+            "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.4.3.tgz",
+            "integrity": "sha512-QMxecFz/gHQwteWwSo5nTc6UaICqN1bMedC5sMtUc7y3Ha3Q8y6ZO0iCR8pq4RJC8Hjf0FEPEHZqcMB/+DFCrA==",
             "dev": true,
             "requires": {
                 "cacache": "^12.0.2",
                 "find-cache-dir": "^2.1.0",
                 "is-wsl": "^1.1.0",
                 "schema-utils": "^1.0.0",
-                "serialize-javascript": "^1.7.0",
+                "serialize-javascript": "^2.1.2",
                 "source-map": "^0.6.1",
                 "terser": "^4.1.2",
                 "webpack-sources": "^1.4.0",
diff --git a/package.json b/package.json
index e158806c2..160f8f9c8 100644
--- a/package.json
+++ b/package.json
@@ -87,7 +87,7 @@
         "zone.js": "~0.9.1"
     },
     "devDependencies": {
-        "@angular-devkit/build-angular": "^0.803.20",
+        "@angular-devkit/build-angular": "^0.803.21",
         "@angular/cli": "~8.3.20",
         "@angular/compiler-cli": "^8.2.2",
         "@angular/language-service": "~8.2.14",