diff --git a/src/Providers/CLIProfileCredentialsProvider.php b/src/Providers/CLIProfileCredentialsProvider.php
index f627668..1d73396 100644
--- a/src/Providers/CLIProfileCredentialsProvider.php
+++ b/src/Providers/CLIProfileCredentialsProvider.php
@@ -87,6 +87,12 @@ protected function reloadCredentialsProvider($profileFile, $profileName)
                                     'accessKeyId' => Helper::unsetReturnNull($profile, 'access_key_id'),
                                     'accessKeySecret' => Helper::unsetReturnNull($profile, 'access_key_secret'),
                                 ]);
+                            case 'StsToken':
+                                return new StaticSTSCredentialsProvider([
+                                    'accessKeyId' => Helper::unsetReturnNull($profile, 'access_key_id'),
+                                    'accessKeySecret' => Helper::unsetReturnNull($profile, 'access_key_secret'),
+                                    'securityToken' => Helper::unsetReturnNull($profile, 'sts_token'),
+                                ]);
                             case 'RamRoleArn':
                                 $innerProvider = new StaticAKCredentialsProvider([
                                     'accessKeyId' => Helper::unsetReturnNull($profile, 'access_key_id'),
diff --git a/tests/Unit/Ini/VirtualCLIConfig.php b/tests/Unit/Ini/VirtualCLIConfig.php
index c86b90e..586a76a 100644
--- a/tests/Unit/Ini/VirtualCLIConfig.php
+++ b/tests/Unit/Ini/VirtualCLIConfig.php
@@ -136,6 +136,13 @@ public static function full()
             "access_key_id": "access_key_id",
             "access_key_secret": "access_key_secret"
         },
+        {
+            "name": "StsToken",
+            "mode": "StsToken",
+            "access_key_id": "access_key_id",
+            "access_key_secret": "access_key_secret",
+            "sts_token": "sts_token"
+        },
         {
             "name": "RamRoleArn",
             "mode": "RamRoleArn",
diff --git a/tests/Unit/Providers/CLIProfileCredentialsProviderTest.php b/tests/Unit/Providers/CLIProfileCredentialsProviderTest.php
index 2874114..8b9a9ff 100644
--- a/tests/Unit/Providers/CLIProfileCredentialsProviderTest.php
+++ b/tests/Unit/Providers/CLIProfileCredentialsProviderTest.php
@@ -147,6 +147,18 @@ public function testAK()
         self::assertEquals('static_ak', $credentials->getProviderName());
     }
 
+    public function testSTS()
+    {
+        $vf = VirtualCLIConfig::full();
+        $provider = new CLIProfileCredentialsProvider();
+        $credentialsProvider = $this->invokeProtectedFunc($provider, 'reloadCredentialsProvider', $vf, 'StsToken');
+        $credentials = $credentialsProvider->getCredentials();
+        self::assertEquals('access_key_id', $credentials->getAccessKeyId());
+        self::assertEquals('access_key_secret', $credentials->getAccessKeySecret());
+        self::assertEquals('sts_token', $credentials->getSecurityToken());
+        self::assertEquals('static_sts', $credentials->getProviderName());
+    }
+
     public function testRamRoleArn()
     {
         $vf = VirtualCLIConfig::full();