diff --git a/part4/package-lock.json b/part4/package-lock.json
index 7e86863..c494735 100644
--- a/part4/package-lock.json
+++ b/part4/package-lock.json
@@ -286,6 +286,16 @@
         "core-js": "^3.0.1",
         "node-fetch": "^2.2.0",
         "sha.js": "^2.4.11"
+      },
+      "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"
+          }
+        }
       }
     },
     "apollo-graphql": {
@@ -363,6 +373,16 @@
       "requires": {
         "node-fetch": "^2.1.2",
         "util.promisify": "^1.0.0"
+      },
+      "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"
+          }
+        }
       }
     },
     "apollo-server-errors": {
@@ -547,6 +567,11 @@
         "vary": "^1"
       }
     },
+    "data-uri-to-buffer": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.0.tgz",
+      "integrity": "sha512-Vr3mLBA8qWmcuschSLAOogKgQ/Jwxulv3RNE4FXnYWRGujzrRWQI4m12fQqRkwX06C0KanhLr4hK+GydchZsaA=="
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -687,6 +712,15 @@
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
       "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
     },
+    "fetch-blob": {
+      "version": "3.1.4",
+      "resolved": "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.1.4.tgz",
+      "integrity": "sha512-Eq5Xv5+VlSrYWEqKrusxY1C3Hm/hjeAsCGVG3ft7pZahlUAChpGZT/Ms1WmSLnEAisEXszjzu/s+ce6HZB2VHA==",
+      "requires": {
+        "node-domexception": "^1.0.0",
+        "web-streams-polyfill": "^3.0.3"
+      }
+    },
     "finalhandler": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.2.tgz",
@@ -701,6 +735,14 @@
         "unpipe": "~1.0.0"
       }
     },
+    "formdata-polyfill": {
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
+      "integrity": "sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==",
+      "requires": {
+        "fetch-blob": "^3.1.2"
+      }
+    },
     "forwarded": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
@@ -910,10 +952,20 @@
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
       "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
     },
+    "node-domexception": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
+      "integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ=="
+    },
     "node-fetch": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
-      "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA=="
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-3.1.1.tgz",
+      "integrity": "sha512-SMk+vKgU77PYotRdWzqZGTZeuFKlsJ0hu4KPviQKkfY+N3vn2MIzr0rvpnYpR8MtB3IEuhlEcuOLbGvLRlA+yg==",
+      "requires": {
+        "data-uri-to-buffer": "^4.0.0",
+        "fetch-blob": "^3.1.3",
+        "formdata-polyfill": "^4.0.10"
+      }
     },
     "object-assign": {
       "version": "4.1.1",
@@ -1165,6 +1217,11 @@
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
       "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
     },
+    "tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o="
+    },
     "ts-invariant": {
       "version": "0.4.4",
       "resolved": "https://registry.npmjs.org/ts-invariant/-/ts-invariant-0.4.4.tgz",
@@ -1216,6 +1273,25 @@
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
+    "web-streams-polyfill": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.2.0.tgz",
+      "integrity": "sha512-EqPmREeOzttaLRm5HS7io98goBgZ7IVz79aDvqjD0kYXLtFZTc0T/U6wHTPKyIjb+MdN7DFIIX6hgdBEpWmfPA=="
+    },
+    "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"
+      }
+    },
     "ws": {
       "version": "6.2.1",
       "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
diff --git a/part4/package.json b/part4/package.json
index a94b0b0..8f2a582 100644
--- a/part4/package.json
+++ b/part4/package.json
@@ -8,7 +8,7 @@
   "dependencies": {
     "apollo-server": "^2.7.0-alpha.3",
     "graphql": "^14.4.1",
-    "node-fetch": "^2.6.0"
+    "node-fetch": "^3.1.1"
   },
   "devDependencies": {}
 }