diff --git a/examples/node-key-http-provider/package.json b/examples/node-key-http-provider/package.json
index a832c95..e59c59c 100644
--- a/examples/node-key-http-provider/package.json
+++ b/examples/node-key-http-provider/package.json
@@ -9,6 +9,6 @@
   "dependencies": {
     "@types/node": "12.12.9",
     "eth-sdk": "^0.2.10",
-    "node-fetch": "2.6.0"
+    "node-fetch": "3.1.1"
   }
 }
diff --git a/examples/node-query-http-provider/package.json b/examples/node-query-http-provider/package.json
index 84ca5bd..b49101f 100644
--- a/examples/node-query-http-provider/package.json
+++ b/examples/node-query-http-provider/package.json
@@ -9,6 +9,6 @@
   "dependencies": {
     "@types/node": "12.12.9",
     "eth-sdk": "^0.2.10",
-    "node-fetch": "2.6.0"
+    "node-fetch": "3.1.1"
   }
 }
diff --git a/examples/ts-node-contract/package.json b/examples/ts-node-contract/package.json
index f7ad519..68942a5 100644
--- a/examples/ts-node-contract/package.json
+++ b/examples/ts-node-contract/package.json
@@ -10,7 +10,7 @@
     "@types/node": "12.12.9",
     "@types/node-fetch": "2.5.3",
     "eth-sdk": "^0.2.10",
-    "node-fetch": "2.6.0",
+    "node-fetch": "3.1.1",
     "ts-node": "8.5.2",
     "typescript": "3.7.2"
   }