diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 822297e38888..652b8857ec46 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -303,6 +303,7 @@
       "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
       "dev": true,
+      "optional": true,
       "requires": {
         "hoek": "2.16.3"
       }
@@ -629,6 +630,7 @@
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
       "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
       "dev": true,
+      "optional": true,
       "requires": {
         "delayed-stream": "1.0.0"
       }
@@ -932,7 +934,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "depd": {
       "version": "1.1.0",
@@ -1452,7 +1455,8 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.0.2.tgz",
       "integrity": "sha1-4QgOBljjALBilJkMxw4VAiNf1VA=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "fast-deep-equal": {
       "version": "1.0.0",
@@ -2609,7 +2613,8 @@
       "version": "2.16.3",
       "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
       "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "hooker": {
       "version": "0.2.3",
@@ -5671,9 +5676,9 @@
       }
     },
     "xmldom": {
-      "version": "0.1.22",
-      "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.1.22.tgz",
-      "integrity": "sha1-EN5OXpZJgfA8jMcvrcCNFLbDqiY=",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.5.0.tgz",
+      "integrity": "sha512-Foaj5FXVzgn7xFzsKeNIde9g6aFBxTPi37iwsno8QvApmtg7KYrr+OPyRHcJF7dud2a5nGRBXK3n0dL62Gf7PA==",
       "dev": true
     },
     "xpath": {
diff --git a/package.json b/package.json
index ecc7d01dbc20..a5c4fe1bcaeb 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "stylelint": "8.0.0",
     "stylelint-checkstyle-formatter": "0.1.0",
     "stylelint-csstree-validator": "1.1.1",
-    "xmldom": "0.1.22",
+    "xmldom": "0.5.0",
     "xpath": "0.0.23"
   },
   "engines": {