diff --git a/src/MTProtoSession/ResponseHandler.php b/src/MTProtoSession/ResponseHandler.php
index 345c0ea31..ea2f14a6a 100644
--- a/src/MTProtoSession/ResponseHandler.php
+++ b/src/MTProtoSession/ResponseHandler.php
@@ -31,7 +31,9 @@ use danog\MadelineProto\MTProto;
 use danog\MadelineProto\MTProto\MTProtoIncomingMessage;
 use danog\MadelineProto\MTProto\MTProtoOutgoingMessage;
 use danog\MadelineProto\PTSException;
+use danog\MadelineProto\RPCError\FloodPremiumWaitError;
 use danog\MadelineProto\RPCError\FloodWaitError;
+use danog\MadelineProto\RPCError\RateLimitError;
 use danog\MadelineProto\RPCErrorException;
 use danog\MadelineProto\SecretPeerNotInDbException;
 use danog\MadelineProto\SecurityException;
@@ -451,9 +453,9 @@ trait ResponseHandler
                 }
                 return static fn () => RPCErrorException::make($response['error_message'], $response['error_code'], $request->constructor);
             case 420:
-                $seconds = preg_replace('/[^0-9]+/', '', $response['error_message']);
+                $seconds = (int) preg_replace('/[^0-9]+/', '', $response['error_message']);
                 $limit = $request->floodWaitLimit ?? $this->API->settings->getRPC()->getFloodTimeout();
-                if (is_numeric($seconds) && $seconds < $limit) {
+                if ($seconds < $limit) {
                     $this->API->logger("Flood, waiting $seconds seconds before repeating async call of $request...", Logger::NOTICE);
                     $this->gotResponseForOutgoingMessage($request);
                     $msgId = $request->getMsgId();
@@ -466,9 +468,27 @@ trait ResponseHandler
                     return null;
                 }
                 if (str_starts_with($response['error_message'], 'FLOOD_WAIT_')) {
-                    return static fn () => new FloodWaitError($response['error_message'], $response['error_code'], $request->constructor);
+                    return static fn () => new FloodWaitError(
+                        $response['error_message'],
+                        $seconds,
+                        $response['error_code'],
+                        $request->constructor
+                    );
                 }
-                // no break
+                if (str_starts_with($response['error_message'], 'FLOOD_PREMIUM_WAIT_')) {
+                    return static fn () => new FloodPremiumWaitError(
+                        $response['error_message'],
+                        $seconds,
+                        $response['error_code'],
+                        $request->constructor
+                    );
+                }
+                return static fn () => new RateLimitError(
+                    $response['error_message'],
+                    $seconds,
+                    $response['error_code'],
+                    $request->constructor
+                );
             default:
                 return static fn () => RPCErrorException::make($response['error_message'], $response['error_code'], $request->constructor);
         }
diff --git a/src/MTProtoTools/Files.php b/src/MTProtoTools/Files.php
index 9c726e518..2a1d5b011 100644
--- a/src/MTProtoTools/Files.php
+++ b/src/MTProtoTools/Files.php
@@ -48,6 +48,7 @@ use danog\MadelineProto\FileRedirect;
 use danog\MadelineProto\Logger;
 use danog\MadelineProto\MTProtoTools\Crypt\IGE;
 use danog\MadelineProto\RPCError\FileTokenInvalidError;
+use danog\MadelineProto\RPCError\FloodPremiumWaitError;
 use danog\MadelineProto\RPCError\FloodWaitError;
 use danog\MadelineProto\RPCErrorException;
 use danog\MadelineProto\SecurityException;
@@ -358,6 +359,12 @@ trait Files
                         }
                         $d->complete();
                         return;
+                    } catch (FloodPremiumWaitError $e) {
+                        $this->logger("Got {$e->rpc} while uploading $part_num: {$datacenter}, retrying...");
+                        $writePromise = async(static function () use ($cancellation, $e, $writeCb): void {
+                            $e->wait($cancellation);
+                            $writeCb();
+                        });
                     } catch (FileRedirect $e) {
                         $datacenter = $e->dc;
                         $this->logger("Got redirect while uploading $part_num: {$datacenter}");
@@ -1210,8 +1217,10 @@ trait Files
                     break;
                 } catch (FileRedirect $e) {
                     $datacenter = $e->dc;
-                } catch (FloodWaitError $e) {
+                } catch (FloodWaitError) {
                     delay(1, cancellation: $cancellation);
+                } catch (FloodPremiumWaitError $e) {
+                    $e->wait($cancellation);
                 } catch (FileTokenInvalidError) {
                     $cdn = false;
                     $datacenter = $this->authorized_dc;
diff --git a/src/RPCError/FloodPremiumWaitError.php b/src/RPCError/FloodPremiumWaitError.php
new file mode 100644
index 000000000..a1ea32bfe
--- /dev/null
+++ b/src/RPCError/FloodPremiumWaitError.php
@@ -0,0 +1,26 @@
+<?php declare(strict_types=1);
+
+/**
+ * RPCErrorException module.
+ *
+ * This file is part of MadelineProto.
+ * MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Affero General Public License for more details.
+ * You should have received a copy of the GNU General Public License along with MadelineProto.
+ * If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @author    Daniil Gentili <daniil@daniil.it>
+ * @copyright 2016-2023 Daniil Gentili <daniil@daniil.it>
+ * @license   https://opensource.org/licenses/AGPL-3.0 AGPLv3
+ * @link https://docs.madelineproto.xyz MadelineProto documentation
+ */
+
+namespace danog\MadelineProto\RPCError;
+
+/**
+ * Represents a FLOOD_PREMIUM_WAIT_ RPC error returned by telegram.
+ */
+final class FloodPremiumWaitError extends RateLimitError
+{
+}
diff --git a/src/RPCError/FloodWaitError.php b/src/RPCError/FloodWaitError.php
index e3ac5fbcb..e253a6db3 100644
--- a/src/RPCError/FloodWaitError.php
+++ b/src/RPCError/FloodWaitError.php
@@ -18,40 +18,9 @@
 
 namespace danog\MadelineProto\RPCError;
 
-use danog\MadelineProto\RPCErrorException;
-use Exception;
-use Webmozart\Assert\Assert;
-
-use function Amp\delay;
-
 /**
  * Represents a FLOOD_WAIT_ RPC error returned by telegram.
  */
-final class FloodWaitError extends RPCErrorException
+final class FloodWaitError extends RateLimitError
 {
-    public readonly int $waitTime;
-    public function __construct(string $message, int $code, string $caller, ?Exception $previous = null)
-    {
-        Assert::true(str_starts_with($message, 'FLOOD_WAIT_'));
-        $seconds = substr($message, 11);
-        Assert::numeric($seconds);
-        $this->waitTime = (int) $seconds;
-        parent::__construct($message, "A rate limit was encountered, please repeat the method call after $seconds seconds", $code, $caller, $previous);
-    }
-
-    /**
-     * Returns the required waiting period in seconds before repeating the RPC call.
-     */
-    public function getWaitTime(): int
-    {
-        return $this->waitTime;
-    }
-
-    /**
-     * Waits for the required waiting period.
-     */
-    public function wait(): void
-    {
-        delay($this->waitTime);
-    }
 }
diff --git a/src/RPCError/RateLimitError.php b/src/RPCError/RateLimitError.php
new file mode 100644
index 000000000..87f903daf
--- /dev/null
+++ b/src/RPCError/RateLimitError.php
@@ -0,0 +1,53 @@
+<?php declare(strict_types=1);
+
+/**
+ * RPCErrorException module.
+ *
+ * This file is part of MadelineProto.
+ * MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Affero General Public License for more details.
+ * You should have received a copy of the GNU General Public License along with MadelineProto.
+ * If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @author    Daniil Gentili <daniil@daniil.it>
+ * @copyright 2016-2023 Daniil Gentili <daniil@daniil.it>
+ * @license   https://opensource.org/licenses/AGPL-3.0 AGPLv3
+ * @link https://docs.madelineproto.xyz MadelineProto documentation
+ */
+
+namespace danog\MadelineProto\RPCError;
+
+use Amp\Cancellation;
+use danog\MadelineProto\RPCErrorException;
+use Exception;
+
+use function Amp\delay;
+
+/**
+ * Represents a rate limiting RPC error returned by telegram.
+ */
+class RateLimitError extends RPCErrorException
+{
+    /** @internal */
+    public function __construct(string $message, public readonly int $waitTime, int $code, string $caller, ?Exception $previous = null)
+    {
+        parent::__construct($message, "A rate limit was encountered, please repeat the method call after $waitTime seconds", $code, $caller, $previous);
+    }
+
+    /**
+     * Returns the required waiting period in seconds before repeating the RPC call.
+     */
+    public function getWaitTime(): int
+    {
+        return $this->waitTime;
+    }
+
+    /**
+     * Waits for the required waiting period.
+     */
+    public function wait(?Cancellation $cancellation = null): void
+    {
+        delay($this->waitTime, cancellation: $cancellation);
+    }
+}
diff --git a/src/RPCErrorException.php b/src/RPCErrorException.php
index 2b978b873..b983fe447 100644
--- a/src/RPCErrorException.php
+++ b/src/RPCErrorException.php
@@ -130,6 +130,7 @@ class RPCErrorException extends \Exception
         'VOLUME_LOC_NOT_FOUND' => true,
         'FILE_WRITE_EMPTY' => true,
         'Internal_Server_Error' => true,
+        'INVITE_HASH_UNSYNC' => true,
     ];
 
     /** @internal */
diff --git a/tools/build_docs.php b/tools/build_docs.php
index 0a874c7ce..0f1007cba 100755
--- a/tools/build_docs.php
+++ b/tools/build_docs.php
@@ -57,6 +57,8 @@ require 'vendor/autoload.php';
 
 `rm -r src/RPCError/*`;
 `git checkout src/RPCError/FloodWaitError.php`;
+`git checkout src/RPCError/FloodPremiumWaitError.php`;
+`git checkout src/RPCError/RateLimitError.php`;
 
 $map = [];