diff --git a/mimmitkoodaa-intro/sample/part4_final/package-lock.json b/mimmitkoodaa-intro/sample/part4_final/package-lock.json
index 55fe5a6..f93b868 100644
--- a/mimmitkoodaa-intro/sample/part4_final/package-lock.json
+++ b/mimmitkoodaa-intro/sample/part4_final/package-lock.json
@@ -237,9 +237,9 @@
       "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
     },
     "node-fetch": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.2.1.tgz",
-      "integrity": "sha512-ObXBpNCD3A/vYQiQtEWl7DuqjAXjfptYFuGHLdPl5U19/6kJuZV+8uMHLrkj3wJrJoyfg4nhgyFixZdaZoAiEQ=="
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+      "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw=="
     },
     "on-finished": {
       "version": "2.3.0",
diff --git a/mimmitkoodaa-intro/sample/part4_final/package.json b/mimmitkoodaa-intro/sample/part4_final/package.json
index 6924508..f8d60c1 100644
--- a/mimmitkoodaa-intro/sample/part4_final/package.json
+++ b/mimmitkoodaa-intro/sample/part4_final/package.json
@@ -12,6 +12,6 @@
     "body-parser": "1.18.3",
     "ejs": "2.6.1",
     "express": "4.16.4",
-    "node-fetch": "2.2.1"
+    "node-fetch": "2.6.1"
   }
 }