diff --git a/package-lock.json b/package-lock.json
index ebd7de3ed7..178493db83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -995,7 +995,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
-          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
           "dev": true
         }
@@ -2907,18 +2907,18 @@
       "dev": true
     },
     "jsdom": {
-      "version": "13.2.0",
-      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-13.2.0.tgz",
-      "integrity": "sha512-cG1NtMWO9hWpqRNRR3dSvEQa8bFI6iLlqU2x4kwX51FQjp0qus8T9aBaAO6iGp3DeBrhdwuKxckknohkmfvsFw==",
+      "version": "12.2.0",
+      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-12.2.0.tgz",
+      "integrity": "sha512-QPOggIJ8fquWPLaYYMoh+zqUmdphDtu1ju0QGTitZT1Yd8I5qenPpXM1etzUegu3MjVp8XPzgZxdn8Yj7e40ig==",
       "dev": true,
       "requires": {
         "abab": "^2.0.0",
-        "acorn": "^6.0.4",
+        "acorn": "^6.0.2",
         "acorn-globals": "^4.3.0",
         "array-equal": "^1.0.0",
         "cssom": "^0.3.4",
         "cssstyle": "^1.1.1",
-        "data-urls": "^1.1.0",
+        "data-urls": "^1.0.1",
         "domexception": "^1.0.1",
         "escodegen": "^1.11.0",
         "html-encoding-sniffer": "^1.0.2",
@@ -2927,29 +2927,16 @@
         "pn": "^1.1.0",
         "request": "^2.88.0",
         "request-promise-native": "^1.0.5",
-        "saxes": "^3.1.5",
+        "saxes": "^3.1.3",
         "symbol-tree": "^3.2.2",
-        "tough-cookie": "^2.5.0",
+        "tough-cookie": "^2.4.3",
         "w3c-hr-time": "^1.0.1",
-        "w3c-xmlserializer": "^1.0.1",
         "webidl-conversions": "^4.0.2",
         "whatwg-encoding": "^1.0.5",
-        "whatwg-mimetype": "^2.3.0",
+        "whatwg-mimetype": "^2.2.0",
         "whatwg-url": "^7.0.0",
-        "ws": "^6.1.2",
+        "ws": "^6.1.0",
         "xml-name-validator": "^3.0.0"
-      },
-      "dependencies": {
-        "tough-cookie": {
-          "version": "2.5.0",
-          "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
-          "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
-          "dev": true,
-          "requires": {
-            "psl": "^1.1.28",
-            "punycode": "^2.1.1"
-          }
-        }
       }
     },
     "jsesc": {
@@ -6011,17 +5998,6 @@
         "browser-process-hrtime": "^0.1.2"
       }
     },
-    "w3c-xmlserializer": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-1.0.1.tgz",
-      "integrity": "sha512-XZGI1OH/OLQr/NaJhhPmzhngwcAnZDLytsvXnRmlYeRkmbb0I7sqFFA22erq4WQR0sUu17ZSQOAV9mFwCqKRNg==",
-      "dev": true,
-      "requires": {
-        "domexception": "^1.0.1",
-        "webidl-conversions": "^4.0.2",
-        "xml-name-validator": "^3.0.0"
-      }
-    },
     "webidl-conversions": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
diff --git a/package.json b/package.json
index ae0780e816..164bf61208 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "eslint-plugin-import": "^2.11.0",
     "estree-walker": "^0.6.0",
     "is-reference": "^1.1.1",
-    "jsdom": "^13.2.0",
+    "jsdom": "^12.2.0",
     "kleur": "^3.0.0",
     "locate-character": "^2.0.5",
     "magic-string": "^0.25.0",