diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2448c95..4e6d3f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Changelog
 
-## Unreleased
+## 0.6.0 — 2026-08-23
+
+- Added exact immutable Event configuration binding reads and compare-and-set
+  attach/detach through `Events::retrieveConfigurationBinding()` and
+  `Events::updateConfigurationBinding()`. Updates remain deliberately
+  single-attempt.
 
 ## 0.5.0 — 2026-08-21
 
diff --git a/README.md b/README.md
index b62f496..b1ecf24 100644
--- a/README.md
+++ b/README.md
@@ -290,7 +290,7 @@ suite runs without a network.
 | --- | --- |
 | `charts` | `list` `listAll` `create` `retrieve` `update` `delete` `copy` `archive` `unarchive` `publish` |
 | `templates` | `instantiateTemplate` |
-| `events` | `list` `listAll` `create` `retrieve` `update` `delete` `updateChart` `close` `reopen` `archive` `retrieveHoldTtl` `updateHoldTtl` `listTicketReleases` `updateTicketReleases` `closeTicketRelease` `retrieveReport` `retrieveLog` |
+| `events` | `list` `listAll` `create` `retrieve` `retrieveConfigurationBinding` `updateConfigurationBinding` `update` `delete` `updateChart` `close` `reopen` `archive` `retrieveHoldTtl` `updateHoldTtl` `listTicketReleases` `updateTicketReleases` `closeTicketRelease` `retrieveReport` `retrieveLog` |
 | `channels` | `listChannels` `createChannel` `updateChannel` `updateAssignments` `listAllocation` `retrieveAccessPreview` `retrieveReport` `pause` `unpause` `archive` `createBuyerAccessSession` `listBuyerAccessSessions` `revokeBuyerAccessSession` |
 | `inventory` | `hold` `holdBestAvailable` `bookBestAvailable` `extendHold` `retrieveHold` `release` `book` `boxOfficeBook` `unbook` `block` `unblock` `unblockAll` `retrieveAvailability` `updateAvailability` `listBookings` `retrieveBooking` |
 | `sessions` | `createManageSession` `revokeManageSession` `createDesignerSession` `revokeDesignerSession` |
diff --git a/src/Resources/Events.php b/src/Resources/Events.php
index c96e37d..a968f88 100644
--- a/src/Resources/Events.php
+++ b/src/Resources/Events.php
@@ -116,6 +116,42 @@ public function retrieve(string $eventKey): array
         return (array) $this->http->get('/v1/events/' . HttpClient::encode($eventKey));
     }
 
+    /** Read the Event's exact immutable configuration binding and audit history.
+     *
+     * @return array<string, mixed>
+     */
+    public function retrieveConfigurationBinding(string $eventKey): array
+    {
+        /** @var array<string, mixed> */
+        return (array) $this->http->get(
+            '/v1/events/' . HttpClient::encode($eventKey) . '/event-configuration',
+        );
+    }
+
+    /**
+     * Bind an exact published version, or pass null to detach.
+     *
+     * This compare-and-set mutation remains single-attempt because the public
+     * operation does not promise exact response replay.
+     *
+     * @param array{id: string, version: int}|null $configuration
+     * @return array<string, mixed>
+     */
+    public function updateConfigurationBinding(
+        string $eventKey,
+        int $expectedRevision,
+        ?array $configuration,
+    ): array {
+        /** @var array<string, mixed> */
+        return (array) $this->http->put(
+            '/v1/events/' . HttpClient::encode($eventKey) . '/event-configuration',
+            [
+                'expectedRevision' => $expectedRevision,
+                'configuration' => $configuration,
+            ],
+        );
+    }
+
     /**
      * @param array<string, mixed> $fields
      * @return array<string, mixed>
diff --git a/tests/ClientTest.php b/tests/ClientTest.php
index 02fb474..33df2f9 100644
--- a/tests/ClientTest.php
+++ b/tests/ClientTest.php
@@ -101,6 +101,52 @@ public function testPercentEncodesPathParameters(): void
         self::assertSame('https://api.seatlayer.io/v1/events/ev%2F..%2Fadmin', $this->call(0)['url']);
     }
 
+    public function testEventConfigurationBindingRoutesAndBodies(): void
+    {
+        $binding = [
+            'configuration' => ['id' => 'ec_touring', 'version' => 3],
+            'revision' => 7,
+            'changedBy' => 'api-key:key_1',
+            'changedAt' => 123,
+            'audit' => [[
+                'id' => 'eca_1',
+                'from' => null,
+                'to' => ['id' => 'ec_touring', 'version' => 3],
+                'revision' => 7,
+                'actor' => 'api-key:key_1',
+                'createdAt' => 123,
+            ]],
+        ];
+        $sdk = $this->client([
+            ['status' => 200, 'body' => $binding],
+            ['status' => 200, 'body' => $binding],
+            ['status' => 200, 'body' => [...$binding, 'configuration' => null, 'revision' => 8]],
+        ]);
+
+        $retrieved = $sdk->events->retrieveConfigurationBinding('ev / main');
+        self::assertSame(['id' => 'ec_touring', 'version' => 3], $retrieved['audit'][0]['to']);
+        $sdk->events->updateConfigurationBinding(
+            'ev / main',
+            6,
+            ['id' => 'ec_touring', 'version' => 3],
+        );
+        $sdk->events->updateConfigurationBinding('ev / main', 7, null);
+
+        $url = 'https://api.seatlayer.io/v1/events/ev%20%2F%20main/event-configuration';
+        self::assertSame([$url, $url, $url], array_column($this->calls, 'url'));
+        self::assertSame('GET', $this->call(0)['method']);
+        self::assertSame([
+            'expectedRevision' => 6,
+            'configuration' => ['id' => 'ec_touring', 'version' => 3],
+        ], json_decode((string) $this->call(1)['body'], true));
+        self::assertSame([
+            'expectedRevision' => 7,
+            'configuration' => null,
+        ], json_decode((string) $this->call(2)['body'], true));
+        self::assertArrayNotHasKey('Idempotency-Key', $this->call(1)['headers']);
+        self::assertArrayNotHasKey('Idempotency-Key', $this->call(2)['headers']);
+    }
+
     public function testTemplateInstantiationUsesAnObjectBodyAndReplaysItsResponse(): void
     {
         $sdk = $this->client([