diff --git a/examples/standard-pdf-signature/package-lock.json b/examples/standard-pdf-signature/package-lock.json
index a6b9842..b2996ac 100644
--- a/examples/standard-pdf-signature/package-lock.json
+++ b/examples/standard-pdf-signature/package-lock.json
@@ -46,9 +46,9 @@
       }
     },
     "node-fetch": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.3.0.tgz",
-      "integrity": "sha512-MOd8pV3fxENbryESLgVIeaGKrdl+uaYhCSSVkjeOb/31/njTpcis5aWfdqgNlHIrKOLRbMnfPINPOML2CIFeXA=="
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+      "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw=="
     }
   }
 }
diff --git a/examples/standard-pdf-signature/package.json b/examples/standard-pdf-signature/package.json
index 897913a..95a16c2 100644
--- a/examples/standard-pdf-signature/package.json
+++ b/examples/standard-pdf-signature/package.json
@@ -9,6 +9,6 @@
   },
   "dependencies": {
     "form-data": "^2.3.3",
-    "node-fetch": "^2.3.0"
+    "node-fetch": "^2.6.1"
   }
 }