diff --git a/package-lock.json b/package-lock.json
index 1d4ea0980..f25e09ad4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5356,11 +5356,40 @@
       }
     },
     "cross-fetch": {
-      "version": "3.1.4",
-      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.1.4.tgz",
-      "integrity": "sha512-1eAtFWdIubi6T4XPy6ei9iUFoKpUkIF971QLN8lIvvvwueI65+Nw5haMNKUwfJxabqlIIDODJKGrQ66gxC0PbQ==",
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.1.5.tgz",
+      "integrity": "sha512-lvb1SBsI0Z7GDwmuid+mU3kWVBwTVUbe7S0H52yaaAdQOXq2YktTCZdlAcNKFzE6QtRz0snpw9bNiPeOIkkQvw==",
       "requires": {
-        "node-fetch": "2.6.1"
+        "node-fetch": "2.6.7"
+      },
+      "dependencies": {
+        "node-fetch": {
+          "version": "2.6.7",
+          "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.7.tgz",
+          "integrity": "sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==",
+          "requires": {
+            "whatwg-url": "^5.0.0"
+          }
+        },
+        "tr46": {
+          "version": "0.0.3",
+          "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+          "integrity": "sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o="
+        },
+        "webidl-conversions": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+          "integrity": "sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE="
+        },
+        "whatwg-url": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+          "integrity": "sha1-lmRU6HZUYuN2RNNib2dCzotwll0=",
+          "requires": {
+            "tr46": "~0.0.3",
+            "webidl-conversions": "^3.0.0"
+          }
+        }
       }
     },
     "cross-spawn": {
@@ -9337,7 +9366,8 @@
     "node-fetch": {
       "version": "2.6.1",
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
-      "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw=="
+      "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==",
+      "dev": true
     },
     "node-int64": {
       "version": "0.4.0",
diff --git a/package.json b/package.json
index 537d3c10b..e79561b16 100644
--- a/package.json
+++ b/package.json
@@ -108,7 +108,7 @@
     "@babel/runtime-corejs3": "^7.11.2",
     "btoa": "^1.2.1",
     "cookie": "~0.4.1",
-    "cross-fetch": "^3.1.4",
+    "cross-fetch": "^3.1.5",
     "deepmerge": "~4.2.2",
     "fast-json-patch": "^3.0.0-1",
     "form-data-encoder": "^1.4.3",
diff --git a/test/specmap/data/cyclic/external/1.js b/test/specmap/data/cyclic/external/1.js
index e56c5436f..993775bbe 100644
--- a/test/specmap/data/cyclic/external/1.js
+++ b/test/specmap/data/cyclic/external/1.js
@@ -2,11 +2,11 @@ module.exports = {
   name: 'link to a cyclic node',
   spec: {
     x: {
-      $ref: 'http://1/spec#/a',
+      $ref: 'http://0.0.0.1/spec#/a',
     },
   },
   external: {
-    'http://1/spec': {
+    'http://0.0.0.1/spec': {
       a: {
         b: {
           $ref: '#/a',
@@ -17,7 +17,7 @@ module.exports = {
   output: {
     x: {
       b: {
-        $ref: 'http://1/spec#/a',
+        $ref: 'http://0.0.0.1/spec#/a',
       },
     },
   },
diff --git a/test/specmap/data/cyclic/external/10.js b/test/specmap/data/cyclic/external/10.js
index 733c48e01..06419616e 100644
--- a/test/specmap/data/cyclic/external/10.js
+++ b/test/specmap/data/cyclic/external/10.js
@@ -2,11 +2,11 @@ module.exports = {
   name: 'link to 2 cyclic nodes',
   spec: {
     x: {
-      $ref: 'http://2/spec#/a',
+      $ref: 'http://0.0.0.2/spec#/a',
     },
   },
   external: {
-    'http://2/spec': {
+    'http://0.0.0.2/spec': {
       a: {
         $ref: '#/b',
       },
@@ -17,7 +17,7 @@ module.exports = {
   },
   output: {
     x: {
-      $ref: 'http://2/spec#/a',
+      $ref: 'http://0.0.0.2/spec#/a',
     },
   },
 };
diff --git a/test/specmap/data/cyclic/external/2.js b/test/specmap/data/cyclic/external/2.js
index 88294bdf7..66d91dc71 100644
--- a/test/specmap/data/cyclic/external/2.js
+++ b/test/specmap/data/cyclic/external/2.js
@@ -2,21 +2,21 @@ module.exports = {
   name: 'a few hops to an internally cyclic doc',
   spec: {
     x: {
-      $ref: 'http://8/spec1#/a',
+      $ref: 'http://0.0.0.8/spec1#/a',
     },
   },
   external: {
-    'http://8/spec1': {
+    'http://0.0.0.8/spec1': {
       a: {
-        $ref: 'http://8/spec2#/b',
+        $ref: 'http://0.0.0.8/spec2#/b',
       },
     },
-    'http://8/spec2': {
+    'http://0.0.0.8/spec2': {
       b: {
-        $ref: 'http://8/spec3#/c',
+        $ref: 'http://0.0.0.8/spec3#/c',
       },
     },
-    'http://8/spec3': {
+    'http://0.0.0.8/spec3': {
       c: {
         d: {
           $ref: '#/c',
@@ -27,7 +27,7 @@ module.exports = {
   output: {
     x: {
       d: {
-        $ref: 'http://8/spec3#/c',
+        $ref: 'http://0.0.0.8/spec3#/c',
       },
     },
   },
diff --git a/test/specmap/data/cyclic/external/20.js b/test/specmap/data/cyclic/external/20.js
index 27535f07f..4968744f0 100644
--- a/test/specmap/data/cyclic/external/20.js
+++ b/test/specmap/data/cyclic/external/20.js
@@ -2,11 +2,11 @@ module.exports = {
   name: 'link to 3 cyclic nodes',
   spec: {
     x: {
-      $ref: 'http://3/spec#/defs/d1',
+      $ref: 'http://0.0.0.3/spec#/defs/d1',
     },
   },
   external: {
-    'http://3/spec': {
+    'http://0.0.0.3/spec': {
       defs: {
         d1: {
           d1k: {
@@ -31,7 +31,7 @@ module.exports = {
       d1k: {
         d2k: {
           d3k: {
-            $ref: 'http://3/spec#/defs/d1',
+            $ref: 'http://0.0.0.3/spec#/defs/d1',
           },
         },
       },
diff --git a/test/specmap/data/cyclic/external/21.js b/test/specmap/data/cyclic/external/21.js
index 228496348..c0e1bddf9 100644
--- a/test/specmap/data/cyclic/external/21.js
+++ b/test/specmap/data/cyclic/external/21.js
@@ -2,11 +2,11 @@ module.exports = {
   name: 'link to 3 cyclic nodes (in array)',
   spec: {
     x: {
-      $ref: 'http://4/spec#/defs/0',
+      $ref: 'http://0.0.0.4/spec#/defs/0',
     },
   },
   external: {
-    'http://4/spec': {
+    'http://0.0.0.4/spec': {
       defs: [
         {
           d1k: {
@@ -31,7 +31,7 @@ module.exports = {
       d1k: {
         d2k: {
           d3k: {
-            $ref: 'http://4/spec#/defs/0',
+            $ref: 'http://0.0.0.4/spec#/defs/0',
           },
         },
       },
diff --git a/test/specmap/data/cyclic/external/30.js b/test/specmap/data/cyclic/external/30.js
index ca6013278..ca2bb2fa1 100644
--- a/test/specmap/data/cyclic/external/30.js
+++ b/test/specmap/data/cyclic/external/30.js
@@ -2,21 +2,21 @@ module.exports = {
   name: 'link to cyclic nodes that use absolute reference',
   spec: {
     x: {
-      $ref: 'http://5/spec1#/a',
+      $ref: 'http://0.0.0.5/spec1#/a',
     },
   },
   external: {
-    'http://5/spec1': {
+    'http://0.0.0.5/spec1': {
       a: {
         b: {
-          $ref: 'http://5/spec2#/c',
+          $ref: 'http://0.0.0.5/spec2#/c',
         },
       },
     },
-    'http://5/spec2': {
+    'http://0.0.0.5/spec2': {
       c: {
         d: {
-          $ref: 'http://5/spec1#/a',
+          $ref: 'http://0.0.0.5/spec1#/a',
         },
       },
     },
@@ -25,7 +25,7 @@ module.exports = {
     x: {
       b: {
         d: {
-          $ref: 'http://5/spec1#/a',
+          $ref: 'http://0.0.0.5/spec1#/a',
         },
       },
     },
diff --git a/test/specmap/data/cyclic/external/31.js b/test/specmap/data/cyclic/external/31.js
index f29039423..f1555345d 100644
--- a/test/specmap/data/cyclic/external/31.js
+++ b/test/specmap/data/cyclic/external/31.js
@@ -2,28 +2,28 @@ module.exports = {
   name: 'link to 3 cyclic nodes that use absolute reference',
   spec: {
     x: {
-      $ref: 'http://6/spec1#/a',
+      $ref: 'http://0.0.0.6/spec1#/a',
     },
   },
   external: {
-    'http://6/spec1': {
+    'http://0.0.0.6/spec1': {
       a: {
         b: {
-          $ref: 'http://6/spec2#/c',
+          $ref: 'http://0.0.0.6/spec2#/c',
         },
       },
     },
-    'http://6/spec2': {
+    'http://0.0.0.6/spec2': {
       c: {
         d: {
-          $ref: 'http://6/spec3#/e',
+          $ref: 'http://0.0.0.6/spec3#/e',
         },
       },
     },
-    'http://6/spec3': {
+    'http://0.0.0.6/spec3': {
       e: {
         f: {
-          $ref: 'http://6/spec1#/a',
+          $ref: 'http://0.0.0.6/spec1#/a',
         },
       },
     },
@@ -33,7 +33,7 @@ module.exports = {
       b: {
         d: {
           f: {
-            $ref: 'http://6/spec1#/a',
+            $ref: 'http://0.0.0.6/spec1#/a',
           },
         },
       },
diff --git a/test/specmap/data/cyclic/external/32.js b/test/specmap/data/cyclic/external/32.js
index 6bab0e19f..d9f8af6b4 100644
--- a/test/specmap/data/cyclic/external/32.js
+++ b/test/specmap/data/cyclic/external/32.js
@@ -2,24 +2,24 @@ module.exports = {
   name: 'absolute path to itself',
   spec: {
     x: {
-      $ref: 'http://9/spec1#/a',
+      $ref: 'http://0.0.0.9/spec1#/a',
     },
   },
   external: {
-    'http://9/spec1': {
+    'http://0.0.0.9/spec1': {
       a: {
-        $ref: 'http://9/spec2#/b',
+        $ref: 'http://0.0.0.9/spec2#/b',
       },
     },
-    'http://9/spec2': {
+    'http://0.0.0.9/spec2': {
       b: {
-        $ref: 'http://9/spec3#/c',
+        $ref: 'http://0.0.0.9/spec3#/c',
       },
     },
-    'http://9/spec3': {
+    'http://0.0.0.9/spec3': {
       c: {
         d: {
-          $ref: 'http://9/spec3#/c',
+          $ref: 'http://0.0.0.9/spec3#/c',
         },
       },
     },
@@ -27,7 +27,7 @@ module.exports = {
   output: {
     x: {
       d: {
-        $ref: 'http://9/spec3#/c',
+        $ref: 'http://0.0.0.9/spec3#/c',
       },
     },
   },
diff --git a/test/specmap/data/cyclic/external/40.js b/test/specmap/data/cyclic/external/40.js
index e41c97d70..5470072f6 100644
--- a/test/specmap/data/cyclic/external/40.js
+++ b/test/specmap/data/cyclic/external/40.js
@@ -2,18 +2,18 @@ module.exports = {
   name: 'link to 2 cyclic nodes that use relative reference',
   spec: {
     x: {
-      $ref: 'http://7/spec1#/a',
+      $ref: 'http://0.0.0.7/spec1#/a',
     },
   },
   external: {
-    'http://7/spec1': {
+    'http://0.0.0.7/spec1': {
       a: {
         b: {
           $ref: '../spec2#/c',
         },
       },
     },
-    'http://7/spec2': {
+    'http://0.0.0.7/spec2': {
       c: {
         d: {
           $ref: '../spec1#/a',
@@ -25,7 +25,7 @@ module.exports = {
     x: {
       b: {
         d: {
-          $ref: 'http://7/spec1#/a',
+          $ref: 'http://0.0.0.7/spec1#/a',
         },
       },
     },