diff --git a/deepset_cloud_sdk/_s3/upload.py b/deepset_cloud_sdk/_s3/upload.py
index 123b4abe..d047b277 100644
--- a/deepset_cloud_sdk/_s3/upload.py
+++ b/deepset_cloud_sdk/_s3/upload.py
@@ -30,7 +30,12 @@ class RetryableHttpError(Exception):
     """An error that indicates a function should be retried."""
 
     def __init__(
-        self, error: Union[aiohttp.ClientResponseError, aiohttp.ServerDisconnectedError, aiohttp.ClientConnectionError]
+        self,
+        error: Union[
+            aiohttp.ClientResponseError,
+            aiohttp.ServerDisconnectedError,
+            aiohttp.ClientConnectionError,
+        ],
     ) -> None:
         """Store the original exception."""
         self.error = error
@@ -76,7 +81,12 @@ def make_safe_file_name(file_name: str) -> str:
 class S3:
     """Client for S3 operations related to deepset Cloud uploads."""
 
-    def __init__(self, concurrency: int = 120, rate_limit: Rate = Rate(3000, Duration.SECOND), max_attempts: int = 5):
+    def __init__(
+        self,
+        concurrency: int = 120,
+        rate_limit: Rate = Rate(3000, Duration.SECOND),
+        max_attempts: int = 5,
+    ):
         """
         Initialize the client.
 
@@ -99,8 +109,15 @@ async def __aexit__(
     ) -> None:
         """Exit the context manager."""
         await self.connector.close()
-        for bucket in self.limiter.buckets():
-            self.limiter.dispose(bucket)
+
+        # Handle limiter cleanup based on available methods
+        # Support both older and newer versions of pyrate_limiter
+        # In version 3.7.0, the dispose method was added to the Limiter class
+        # See diff here: https://github.com/vutran1710/PyrateLimiter/compare/v3.6.2...master
+        try:
+            list(map(self.limiter.dispose, self.limiter.buckets()))
+        except AttributeError:
+            pass
 
     async def _upload_file_with_retries(
         self,
@@ -257,7 +274,9 @@ async def upload_from_memory(
             return S3UploadResult(file_name=file_name, success=False, exception=exception)
 
     async def _process_results(
-        self, tasks: List[Coroutine[Any, Any, S3UploadResult]], show_progress: bool = True
+        self,
+        tasks: List[Coroutine[Any, Any, S3UploadResult]],
+        show_progress: bool = True,
     ) -> S3UploadSummary:
         """Summarize the results of the uploads to S3.
 
@@ -297,7 +316,10 @@ async def _process_results(
         return result_summary
 
     async def upload_files_from_paths(
-        self, upload_session: UploadSession, file_paths: List[Path], show_progress: bool = True
+        self,
+        upload_session: UploadSession,
+        file_paths: List[Path],
+        show_progress: bool = True,
     ) -> S3UploadSummary:
         """Upload a set of files to the prefixed S3 namespace given a list of paths.
 
@@ -316,7 +338,10 @@ async def upload_files_from_paths(
             return result_summary
 
     async def upload_in_memory(
-        self, upload_session: UploadSession, files: Sequence[DeepsetCloudFileBase], show_progress: bool = True
+        self,
+        upload_session: UploadSession,
+        files: Sequence[DeepsetCloudFileBase],
+        show_progress: bool = True,
     ) -> S3UploadSummary:
         """Upload a set of files to the prefixed S3 namespace given a list of paths.
 
@@ -326,7 +351,8 @@ async def upload_in_memory(
         :return: S3UploadSummary object.
         """
         async with aiohttp.ClientSession(
-            connector=self.connector, timeout=aiohttp.ClientTimeout(total=ASYNC_CLIENT_TIMEOUT)
+            connector=self.connector,
+            timeout=aiohttp.ClientTimeout(total=ASYNC_CLIENT_TIMEOUT),
         ) as client_session:
             tasks = []
 
@@ -339,7 +365,12 @@ async def upload_in_memory(
                 if file.meta is not None:
                     meta_name = f"{file_name}.meta.json"
                     tasks.append(
-                        self.upload_from_memory(meta_name, upload_session, file.meta_as_string(), client_session)
+                        self.upload_from_memory(
+                            meta_name,
+                            upload_session,
+                            file.meta_as_string(),
+                            client_session,
+                        )
                     )
 
             result_summary = await self._process_results(tasks, show_progress=show_progress)
diff --git a/pyproject.toml b/pyproject.toml
index f8ad19d0..99b1682b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
   "tabulate>=0.9.0",
   "tqdm>=4.66.4",
   "yaspin>=3.0.0",
-  "pyrate-limiter>=3.6.0",
+  "pyrate-limiter>=3.7.0",
 ]
 
 [project.urls]