diff --git a/backend/classes/controller/FingerprintPutController.php b/backend/classes/controller/FingerprintPutController.php
new file mode 100644
index 0000000..a2123e9
--- /dev/null
+++ b/backend/classes/controller/FingerprintPutController.php
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+final class FingerprintPutController extends AbstractController
+{
+	protected string $route = '/api/v1/fingerprint/{fingerprintId}';
+
+	private int $fingerprintId;
+
+	public function __construct(string $url)
+	{
+		parent::__construct($url);
+
+		$this->fingerprintId = (int)$this->getUrlParamInt('fingerprintId');
+	}
+
+	public function handle(): void
+	{
+		parent::handle();
+
+		if ($this->response->getStatus() !== ServerStatus::OK) {
+			return;
+		}
+
+		$this->response = new ApiJsonResponse();
+
+		try {
+			$json = json_decode($this->requestBody, true);
+			$fingerprint = new Fingerprint($this->fingerprintId);
+
+			if ($this->handleFingerprint($fingerprint, $json)) {
+				return;
+			}
+
+			$this->response->setMessage('Fingerprint did not differ from the stored. Nothing changed.');
+		} catch (Throwable $e) {
+			$this->response->setStatus(ServerStatus::BAD_REQUEST);
+			$this->response->setParameter('success', false);
+			$this->response->setMessage($e->getMessage());
+		}
+	}
+
+	public function handleFingerprint(Fingerprint $fingerprint, array $json): bool
+	{
+		if (isset($json['fingerprint'])) {
+			if ($fingerprint->getFingerprint() !== $json['fingerprint']) {
+				$fingerprint->setFingerprint($json['fingerprint']);
+				$fingerprint->Save();
+
+				return true;
+			}
+		}
+
+		return false;
+	}
+}
\ No newline at end of file