diff --git a/package-lock.json b/package-lock.json
index d9473ad..f5520af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -132,7 +132,7 @@
         "webpack-dev-server": "2.11.2",
         "webpack-merge": "4.1.2",
         "webpack-sources": "1.1.0",
-        "webpack-subresource-integrity": "1.0.4"
+        "webpack-subresource-integrity": "1.5.1"
       }
     },
     "@angular/common": {
@@ -3844,9 +3844,9 @@
       }
     },
     "core-js": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.2.1.tgz",
-      "integrity": "sha512-Qa5XSVefSVPRxy2XfUC13WbvqkxhkwB3ve+pgCQveNgYzbM/UxZeu1dcOX/xr4UmfUd+muuvsaxilQzCyUurMw=="
+      "version": "2.5.5",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.5.tgz",
+      "integrity": "sha1-sU3ek2xkDAV5prUMq8wTLdYSfjs="
     },
     "core-object": {
       "version": "3.1.5",
@@ -13445,33 +13445,6 @@
         }
       }
     },
-    "webpack-core": {
-      "version": "0.6.9",
-      "resolved": "https://registry.npmjs.org/webpack-core/-/webpack-core-0.6.9.tgz",
-      "integrity": "sha1-/FcViMhVjad76e+23r3Fo7FyvcI=",
-      "dev": true,
-      "requires": {
-        "source-list-map": "0.1.8",
-        "source-map": "0.4.4"
-      },
-      "dependencies": {
-        "source-list-map": {
-          "version": "0.1.8",
-          "resolved": "https://registry.npmjs.org/source-list-map/-/source-list-map-0.1.8.tgz",
-          "integrity": "sha1-xVCyq1Qn9rPyH1r+rYjE9Vh7IQY=",
-          "dev": true
-        },
-        "source-map": {
-          "version": "0.4.4",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
-          "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
-          "dev": true,
-          "requires": {
-            "amdefine": "1.0.1"
-          }
-        }
-      }
-    },
     "webpack-dev-middleware": {
       "version": "1.12.2",
       "resolved": "https://registry.npmjs.org/webpack-dev-middleware/-/webpack-dev-middleware-1.12.2.tgz",
@@ -13965,12 +13938,30 @@
       }
     },
     "webpack-subresource-integrity": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/webpack-subresource-integrity/-/webpack-subresource-integrity-1.0.4.tgz",
-      "integrity": "sha1-j6yKfo61n8ahZ2ioXJ2U7n+dDts=",
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/webpack-subresource-integrity/-/webpack-subresource-integrity-1.5.1.tgz",
+      "integrity": "sha512-uekbQ93PZ9e7BFB8Hl9cFIVYQyQqiXp2ExKk9Zv+qZfH/zHXHrCFAfw1VW0+NqWbTWrs/HnuDrto3+tiPXh//Q==",
       "dev": true,
       "requires": {
-        "webpack-core": "0.6.9"
+        "webpack-sources": "^1.3.0"
+      },
+      "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
+        },
+        "webpack-sources": {
+          "version": "1.4.3",
+          "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.4.3.tgz",
+          "integrity": "sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==",
+          "dev": true,
+          "requires": {
+            "source-list-map": "^2.0.0",
+            "source-map": "~0.6.1"
+          }
+        }
       }
     },
     "websocket-driver": {