diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 284ce93..f7e971e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.60.0"
+  ".": "0.61.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index d3efbb5..e4ce02b 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 234
 openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/increase%2Fincrease-dd0c83cac837fbe98857fa997663b0d0469344a7564bd4fe506e6c71d1d6af73.yml
 openapi_spec_hash: 2352f37602105b164533038199b21804
-config_hash: 890ca5fa6b8209d4eaac90550c7dc62c
+config_hash: b7ec7f54fa76c1f8bde7a548710a1d38
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62ee74d..48e0381 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.61.0 (2026-03-08)
+
+Full Changelog: [v0.60.0...v0.61.0](https://github.com/Increase/increase-php/compare/v0.60.0...v0.61.0)
+
+### Features
+
+* **api:** api update ([0fca601](https://github.com/Increase/increase-php/commit/0fca60181f7b0bc6cdb05923fc0fb818c43932c4))
+
 ## 0.60.0 (2026-03-06)
 
 Full Changelog: [v0.59.0...v0.60.0](https://github.com/Increase/increase-php/compare/v0.59.0...v0.60.0)
diff --git a/README.md b/README.md
index a26e79e..4f321d7 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ The REST API documentation can be found on [increase.com](https://increase.com/d
 <!-- x-release-please-start-version -->
 
 ```
-composer require "increase/increase 0.60.0"
+composer require "increase/increase 0.61.0"
 ```
 
 <!-- x-release-please-end -->
diff --git a/src/Services/EventsService.php b/src/Services/EventsService.php
index 4eedd64..593afeb 100644
--- a/src/Services/EventsService.php
+++ b/src/Services/EventsService.php
@@ -121,7 +121,7 @@ public function unwrap(
 
             try {
                 $flatHeaders = array_map(fn (string|array $v): string => is_array($v) ? $v[0] : $v, $headers);
-                $webhook = new Webhook($secret);
+                $webhook = new Webhook('whsec_'.base64_encode($secret));
                 $webhook->verify($body, $flatHeaders);
             } catch (WebhookVerificationException $e) {
                 throw new WebhookException('Could not verify webhook event signature', previous: $e);
diff --git a/src/Version.php b/src/Version.php
index 534ca6d..a5f14ae 100644
--- a/src/Version.php
+++ b/src/Version.php
@@ -5,5 +5,5 @@
 namespace Increase;
 
 // x-release-please-start-version
-const VERSION = '0.60.0';
+const VERSION = '0.61.0';
 // x-release-please-end
diff --git a/tests/Services/EventsTest.php b/tests/Services/EventsTest.php
index 8510cad..eeb8849 100644
--- a/tests/Services/EventsTest.php
+++ b/tests/Services/EventsTest.php
@@ -78,6 +78,7 @@ public function testUnwrapWithVerification(): void
     {
         $payload = '{"id":"event_001dzz0r20rzr4zrhrr1364hy80","associated_object_id":"account_in71c4amph0vgo2qllky","associated_object_type":"account","category":"account.created","created_at":"2020-01-31T23:59:59Z","type":"event"}';
         $secret = 'whsec_c2VjcmV0Cg==';
+        $rawSecret = "secret\n";
         $webhook = new Webhook($secret);
         $messageId = '1';
         $timestamp = time();
@@ -89,7 +90,7 @@ public function testUnwrapWithVerification(): void
             'webhook-id' => [$messageId],
             'webhook-timestamp' => [(string) $timestamp],
         ];
-        $this->client->events->unwrap($payload, $headers, $secret);
+        $this->client->events->unwrap($payload, $headers, $rawSecret);
         // unwrap successful if not error thrown, increment assertion count to avoid risky test warning
         $this->addToAssertionCount(1);
     }
@@ -101,6 +102,7 @@ public function testUnwrapWrongKey(): void
 
         $payload = '{"id":"event_001dzz0r20rzr4zrhrr1364hy80","associated_object_id":"account_in71c4amph0vgo2qllky","associated_object_type":"account","category":"account.created","created_at":"2020-01-31T23:59:59Z","type":"event"}';
         $secret = 'whsec_c2VjcmV0Cg==';
+        $rawSecret = "secret\n";
         $webhook = new Webhook($secret);
         $messageId = '1';
         $timestamp = time();
@@ -123,6 +125,7 @@ public function testUnwrapBadSignature(): void
 
         $payload = '{"id":"event_001dzz0r20rzr4zrhrr1364hy80","associated_object_id":"account_in71c4amph0vgo2qllky","associated_object_type":"account","category":"account.created","created_at":"2020-01-31T23:59:59Z","type":"event"}';
         $secret = 'whsec_c2VjcmV0Cg==';
+        $rawSecret = "secret\n";
         $webhook = new Webhook($secret);
         $messageId = '1';
         $timestamp = time();
@@ -134,7 +137,7 @@ public function testUnwrapBadSignature(): void
             'webhook-id' => [$messageId],
             'webhook-timestamp' => [(string) $timestamp],
         ];
-        $this->client->events->unwrap($payload, $headers, $secret);
+        $this->client->events->unwrap($payload, $headers, $rawSecret);
     }
 
     #[Test]
@@ -144,6 +147,7 @@ public function testUnwrapOldTimestamp(): void
 
         $payload = '{"id":"event_001dzz0r20rzr4zrhrr1364hy80","associated_object_id":"account_in71c4amph0vgo2qllky","associated_object_type":"account","category":"account.created","created_at":"2020-01-31T23:59:59Z","type":"event"}';
         $secret = 'whsec_c2VjcmV0Cg==';
+        $rawSecret = "secret\n";
         $webhook = new Webhook($secret);
         $messageId = '1';
         $timestamp = time();
@@ -155,7 +159,7 @@ public function testUnwrapOldTimestamp(): void
             'webhook-id' => [$messageId],
             'webhook-timestamp' => ['5'],
         ];
-        $this->client->events->unwrap($payload, $headers, $secret);
+        $this->client->events->unwrap($payload, $headers, $rawSecret);
     }
 
     #[Test]
@@ -165,6 +169,7 @@ public function testUnwrapWrongMessageID(): void
 
         $payload = '{"id":"event_001dzz0r20rzr4zrhrr1364hy80","associated_object_id":"account_in71c4amph0vgo2qllky","associated_object_type":"account","category":"account.created","created_at":"2020-01-31T23:59:59Z","type":"event"}';
         $secret = 'whsec_c2VjcmV0Cg==';
+        $rawSecret = "secret\n";
         $webhook = new Webhook($secret);
         $messageId = '1';
         $timestamp = time();
@@ -176,6 +181,6 @@ public function testUnwrapWrongMessageID(): void
             'webhook-id' => ['wrong'],
             'webhook-timestamp' => [(string) $timestamp],
         ];
-        $this->client->events->unwrap($payload, $headers, $secret);
+        $this->client->events->unwrap($payload, $headers, $rawSecret);
     }
 }