diff --git a/src/Endpoints/SSL.php b/src/Endpoints/SSL.php
index fea524b..d1dea20 100644
--- a/src/Endpoints/SSL.php
+++ b/src/Endpoints/SSL.php
@@ -150,4 +150,27 @@ class SSL implements API
         }
         return false;
     }
+
+    /**
+     * Update the SSL certificate pack validation method
+     *
+     * @param string $zoneID The ID of the zone
+     * @param string $certPackUUID The certificate pack UUID
+     * @param string $validationMethod The verification method
+     * @return bool
+     */
+    public function updateSSLCertificatePackValidationMethod(string $zoneID, string $certPackUUID, string $validationMethod)
+    {
+        $return = $this->adapter->patch(
+            'zones/' . $zoneID . '/ssl/verification/' . $certPackUUID,
+            [
+                'validation_method' => $validationMethod,
+            ]
+        );
+        $body = json_decode($return->getBody());
+        if (isset($body->success) && $body->success == true) {
+            return true;
+        }
+        return false;
+    }
 }
diff --git a/tests/Endpoints/SSLTest.php b/tests/Endpoints/SSLTest.php
index b29a97e..bfbaf66 100644
--- a/tests/Endpoints/SSLTest.php
+++ b/tests/Endpoints/SSLTest.php
@@ -138,4 +138,24 @@ class SSLTest extends TestCase
 
         $this->assertTrue($result);
     }
+
+    public function testUpdateSSLCertificatePackValidationMethod()
+    {
+        $response = $this->getPsr7JsonResponseForFixture('Endpoints/updateSSLCertificatePackValidationMethod.json');
+
+        $mock = $this->getMockBuilder(\Cloudflare\API\Adapter\Adapter::class)->getMock();
+        $mock->method('patch')->willReturn($response);
+
+        $mock->expects($this->once())
+            ->method('patch')
+            ->with(
+                $this->equalTo('zones/c2547eb745079dac9320b638f5e225cf483cc5cfdda41/ssl/verification/a77f8bd7-3b47-46b4-a6f1-75cf98109948'),
+                $this->equalTo(['validation_method' => 'cname'])
+            );
+
+        $sslMock = new \Cloudflare\API\Endpoints\SSL($mock);
+        $result = $sslMock->updateSSLCertificatePackValidationMethod('c2547eb745079dac9320b638f5e225cf483cc5cfdda41', 'a77f8bd7-3b47-46b4-a6f1-75cf98109948', 'cname');
+
+        $this->assertTrue($result);
+    }
 }
diff --git a/tests/Fixtures/Endpoints/updateSSLCertificatePackValidationMethod.json b/tests/Fixtures/Endpoints/updateSSLCertificatePackValidationMethod.json
new file mode 100644
index 0000000..878457d
--- /dev/null
+++ b/tests/Fixtures/Endpoints/updateSSLCertificatePackValidationMethod.json
@@ -0,0 +1,6 @@
+{
+  "success": true,
+  "errors": [],
+  "messages": [],
+  "result": "off"
+}
\ No newline at end of file