diff --git a/SilMock/Google/Service/Directory.php b/SilMock/Google/Service/Directory.php
index 5690494..9e55aa7 100644
--- a/SilMock/Google/Service/Directory.php
+++ b/SilMock/Google/Service/Directory.php
@@ -7,6 +7,7 @@
 use SilMock\Google\Service\Directory\UsersResource;
 use SilMock\Google\Service\Directory\UsersAliasesResource;
 use SilMock\Google\Service\Directory\VerificationCodesResource;
+use SilMock\Google\Service\Directory\Resource\TwoStepVerification;
 
 class Directory
 {
@@ -15,6 +16,7 @@ class Directory
     public $users;
     public $users_aliases;
     public $verificationCodes;
+    public $twoStepVerification;
     
     /**
      * Sets the users and users_aliases properties to be instances of
@@ -30,5 +32,6 @@ public function __construct($client, $dbFile = null)
         $this->users = new UsersResource($dbFile);
         $this->users_aliases = new UsersAliasesResource($dbFile);
         $this->verificationCodes = new VerificationCodesResource($dbFile);
+        $this->twoStepVerification = new TwoStepVerification($dbFile);
     }
 }
diff --git a/SilMock/Google/Service/Directory/Resource/TwoStepVerification.php b/SilMock/Google/Service/Directory/Resource/TwoStepVerification.php
new file mode 100644
index 0000000..af6b56e
--- /dev/null
+++ b/SilMock/Google/Service/Directory/Resource/TwoStepVerification.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace SilMock\Google\Service\Directory\Resource;
+
+use SilMock\Google\Service\DbClass;
+
+class TwoStepVerification extends dbClass
+{
+    public function __construct(string $dbFile = '')
+    {
+        parent::__construct($dbFile, 'directory', 'twoStepVerification');
+    }
+
+    /**
+     * Turn off 2SV for a given email account.
+     *
+     * NOTE: This doesn't need to work. It just needs to exist.
+     *
+     * @param $userKey
+     * @param array $optParams
+     * @return void
+     */
+    public function turnOff($userKey, $optParams = [])
+    {
+        // Grab the corresponding twoStepVerification record.
+        $sqliteUtils = $this->getSqliteUtils();
+        $twoStepVerificationRecord = $sqliteUtils->getAllRecordsByDataKey(
+            $this->dataType,
+            $this->dataClass,
+            'twoStepVerification',
+            $userKey
+        );
+        // Update it
+        $twoStepVerificationRecord['onOrOff'] = 'off';
+        // Get the record id and update it, as needed.
+        $recordId = $twoStepVerificationRecord['id'] ?? null;
+        // If there was a recordId, then it probably would be functional
+        // However, we just need this method to exist, not actually work
+        if (! empty($recordId)) {
+            $sqliteUtils->updateRecordById($recordId, json_encode($twoStepVerificationRecord));
+        }
+    }
+}
\ No newline at end of file
diff --git a/SilMock/tests/Google/Service/Directory/Resource/TwoStepVerificationTest.php b/SilMock/tests/Google/Service/Directory/Resource/TwoStepVerificationTest.php
new file mode 100644
index 0000000..06ef14e
--- /dev/null
+++ b/SilMock/tests/Google/Service/Directory/Resource/TwoStepVerificationTest.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Service\Directory\Resource;
+
+use Exception;
+use PHPUnit\Framework\TestCase;
+use SilMock\Google\Service\Directory\Resource\TwoStepVerification;
+
+class TwoStepVerificationTest extends TestCase
+{
+    public $dataFile = DATAFILE2;
+
+    public function testTwoStepVerificationTurnOff()
+    {
+        $twoStepVerfication = new TwoStepVerification($this->dataFile);
+        $this->assertIsObject($twoStepVerfication, 'Unable to instantiate twoStepVerification Mock object');
+
+        try {
+            $twoStepVerfication->turnOff('dummy@example.org');
+        } catch (Exception $exception) {
+            $this->assertFalse(
+                true,
+                sprintf(
+                    'Was expecting the turnOff method to function, but got: %s',
+                    $exception->getMessage()
+                )
+            );
+        }
+    }
+}
diff --git a/composer.json b/composer.json
index d5f1e71..a83ada3 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "ext-mbstring": "*",
         "ext-pdo": "*",
         "google/apiclient": "^v2.15.0",
-        "google/apiclient-services": "^v0.308.0"
+        "google/apiclient-services": "^v0.312.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.0",
diff --git a/composer.lock b/composer.lock
index 5993e4f..712edb8 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "0135ffbfbed3d72a3d3271e1d99f6add",
+    "content-hash": "a79c34fc19f24150faf0f514f23a5274",
     "packages": [
         {
             "name": "firebase/php-jwt",
-            "version": "v6.8.0",
+            "version": "v6.8.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/firebase/php-jwt.git",
-                "reference": "48b0210c51718d682e53210c24d25c5a10a2299b"
+                "reference": "5dbc8959427416b8ee09a100d7a8588c00fb2e26"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/48b0210c51718d682e53210c24d25c5a10a2299b",
-                "reference": "48b0210c51718d682e53210c24d25c5a10a2299b",
+                "url": "https://api.github.com/repos/firebase/php-jwt/zipball/5dbc8959427416b8ee09a100d7a8588c00fb2e26",
+                "reference": "5dbc8959427416b8ee09a100d7a8588c00fb2e26",
                 "shasum": ""
             },
             "require": {
@@ -65,9 +65,9 @@
             ],
             "support": {
                 "issues": "https://github.com/firebase/php-jwt/issues",
-                "source": "https://github.com/firebase/php-jwt/tree/v6.8.0"
+                "source": "https://github.com/firebase/php-jwt/tree/v6.8.1"
             },
-            "time": "2023-06-20T16:45:35+00:00"
+            "time": "2023-07-14T18:33:00+00:00"
         },
         {
             "name": "google/apiclient",
@@ -140,16 +140,16 @@
         },
         {
             "name": "google/apiclient-services",
-            "version": "v0.308.0",
+            "version": "v0.312.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/googleapis/google-api-php-client-services.git",
-                "reference": "85cf00383e6bf6eca131bd3261b7859ea418a578"
+                "reference": "45d47fed73b28254c511882bc743b1690a99558d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/googleapis/google-api-php-client-services/zipball/85cf00383e6bf6eca131bd3261b7859ea418a578",
-                "reference": "85cf00383e6bf6eca131bd3261b7859ea418a578",
+                "url": "https://api.github.com/repos/googleapis/google-api-php-client-services/zipball/45d47fed73b28254c511882bc743b1690a99558d",
+                "reference": "45d47fed73b28254c511882bc743b1690a99558d",
                 "shasum": ""
             },
             "require": {
@@ -178,9 +178,9 @@
             ],
             "support": {
                 "issues": "https://github.com/googleapis/google-api-php-client-services/issues",
-                "source": "https://github.com/googleapis/google-api-php-client-services/tree/v0.308.0"
+                "source": "https://github.com/googleapis/google-api-php-client-services/tree/v0.312.0"
             },
-            "time": "2023-07-09T01:06:13+00:00"
+            "time": "2023-08-14T00:56:12+00:00"
         },
         {
             "name": "google/auth",
@@ -368,16 +368,16 @@
         },
         {
             "name": "guzzlehttp/promises",
-            "version": "2.0.0",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "3a494dc7dc1d7d12e511890177ae2d0e6c107da6"
+                "reference": "111166291a0f8130081195ac4556a5587d7f1b5d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/promises/zipball/3a494dc7dc1d7d12e511890177ae2d0e6c107da6",
-                "reference": "3a494dc7dc1d7d12e511890177ae2d0e6c107da6",
+                "url": "https://api.github.com/repos/guzzle/promises/zipball/111166291a0f8130081195ac4556a5587d7f1b5d",
+                "reference": "111166291a0f8130081195ac4556a5587d7f1b5d",
                 "shasum": ""
             },
             "require": {
@@ -431,7 +431,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/promises/issues",
-                "source": "https://github.com/guzzle/promises/tree/2.0.0"
+                "source": "https://github.com/guzzle/promises/tree/2.0.1"
             },
             "funding": [
                 {
@@ -447,20 +447,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-05-21T13:50:22+00:00"
+            "time": "2023-08-03T15:11:55+00:00"
         },
         {
             "name": "guzzlehttp/psr7",
-            "version": "2.5.0",
+            "version": "2.6.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/guzzle/psr7.git",
-                "reference": "b635f279edd83fc275f822a1188157ffea568ff6"
+                "reference": "8bd7c33a0734ae1c5d074360512beb716bef3f77"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/guzzle/psr7/zipball/b635f279edd83fc275f822a1188157ffea568ff6",
-                "reference": "b635f279edd83fc275f822a1188157ffea568ff6",
+                "url": "https://api.github.com/repos/guzzle/psr7/zipball/8bd7c33a0734ae1c5d074360512beb716bef3f77",
+                "reference": "8bd7c33a0734ae1c5d074360512beb716bef3f77",
                 "shasum": ""
             },
             "require": {
@@ -547,7 +547,7 @@
             ],
             "support": {
                 "issues": "https://github.com/guzzle/psr7/issues",
-                "source": "https://github.com/guzzle/psr7/tree/2.5.0"
+                "source": "https://github.com/guzzle/psr7/tree/2.6.0"
             },
             "funding": [
                 {
@@ -563,7 +563,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-04-17T16:11:26+00:00"
+            "time": "2023-08-03T15:06:02+00:00"
         },
         {
             "name": "monolog/monolog",
@@ -1397,16 +1397,16 @@
         },
         {
             "name": "nikic/php-parser",
-            "version": "v4.16.0",
+            "version": "v4.17.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "19526a33fb561ef417e822e85f08a00db4059c17"
+                "reference": "a6303e50c90c355c7eeee2c4a8b27fe8dc8fef1d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/19526a33fb561ef417e822e85f08a00db4059c17",
-                "reference": "19526a33fb561ef417e822e85f08a00db4059c17",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/a6303e50c90c355c7eeee2c4a8b27fe8dc8fef1d",
+                "reference": "a6303e50c90c355c7eeee2c4a8b27fe8dc8fef1d",
                 "shasum": ""
             },
             "require": {
@@ -1447,9 +1447,9 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v4.16.0"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v4.17.1"
             },
-            "time": "2023-06-25T14:52:30+00:00"
+            "time": "2023-08-13T19:53:39+00:00"
         },
         {
             "name": "phar-io/manifest",
@@ -1564,16 +1564,16 @@
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "9.2.26",
+            "version": "9.2.27",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "443bc6912c9bd5b409254a40f4b0f4ced7c80ea1"
+                "reference": "b0a88255cb70d52653d80c890bd7f38740ea50d1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/443bc6912c9bd5b409254a40f4b0f4ced7c80ea1",
-                "reference": "443bc6912c9bd5b409254a40f4b0f4ced7c80ea1",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/b0a88255cb70d52653d80c890bd7f38740ea50d1",
+                "reference": "b0a88255cb70d52653d80c890bd7f38740ea50d1",
                 "shasum": ""
             },
             "require": {
@@ -1629,7 +1629,8 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/php-code-coverage/issues",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.26"
+                "security": "https://github.com/sebastianbergmann/php-code-coverage/security/policy",
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.27"
             },
             "funding": [
                 {
@@ -1637,7 +1638,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2023-03-06T12:58:08+00:00"
+            "time": "2023-07-26T13:44:30+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -2489,16 +2490,16 @@
         },
         {
             "name": "sebastian/global-state",
-            "version": "5.0.5",
+            "version": "5.0.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/global-state.git",
-                "reference": "0ca8db5a5fc9c8646244e629625ac486fa286bf2"
+                "reference": "bde739e7565280bda77be70044ac1047bc007e34"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/0ca8db5a5fc9c8646244e629625ac486fa286bf2",
-                "reference": "0ca8db5a5fc9c8646244e629625ac486fa286bf2",
+                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/bde739e7565280bda77be70044ac1047bc007e34",
+                "reference": "bde739e7565280bda77be70044ac1047bc007e34",
                 "shasum": ""
             },
             "require": {
@@ -2541,7 +2542,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/global-state/issues",
-                "source": "https://github.com/sebastianbergmann/global-state/tree/5.0.5"
+                "source": "https://github.com/sebastianbergmann/global-state/tree/5.0.6"
             },
             "funding": [
                 {
@@ -2549,7 +2550,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-02-14T08:28:10+00:00"
+            "time": "2023-08-02T09:26:13+00:00"
         },
         {
             "name": "sebastian/lines-of-code",