diff --git a/vendor/protonlabs/bitcoin/src/Address/Bech32AddressInterface.php b/vendor/protonlabs/bitcoin/src/Address/Bech32AddressInterface.php
index 63a06991..d6cc41a3 100644
--- a/vendor/protonlabs/bitcoin/src/Address/Bech32AddressInterface.php
+++ b/vendor/protonlabs/bitcoin/src/Address/Bech32AddressInterface.php
@@ -9,8 +9,8 @@ use BitWasp\Bitcoin\Network\NetworkInterface;
 interface Bech32AddressInterface extends AddressInterface
 {
     /**
-     * @param NetworkInterface $network
+     * @param NetworkInterface|null $network
      * @return string
      */
-    public function getHRP(NetworkInterface $network = null): string;
+    public function getHRP(NetworkInterface|null $network = null): string;
 }
diff --git a/vendor/protonlabs/bitcoin/src/Address/SegwitAddress.php b/vendor/protonlabs/bitcoin/src/Address/SegwitAddress.php
index 89aba2ed..6405c0b7 100644
--- a/vendor/protonlabs/bitcoin/src/Address/SegwitAddress.php
+++ b/vendor/protonlabs/bitcoin/src/Address/SegwitAddress.php
@@ -31,7 +31,7 @@ class SegwitAddress extends Address implements Bech32AddressInterface
      * @param NetworkInterface|null $network
      * @return string
      */
-    public function getHRP(NetworkInterface $network = null): string
+    public function getHRP(NetworkInterface|null $network = null): string
     {
         $network = $network ?: Bitcoin::getNetwork();
         return $network->getSegwitBech32Prefix();