diff --git a/backend/danswer/connectors/slack/connector.py b/backend/danswer/connectors/slack/connector.py
index 6c4513899..975653f5f 100644
--- a/backend/danswer/connectors/slack/connector.py
+++ b/backend/danswer/connectors/slack/connector.py
@@ -29,6 +29,7 @@ from danswer.connectors.slack.utils import make_slack_api_rate_limited
 from danswer.connectors.slack.utils import SlackTextCleaner
 from danswer.utils.logger import setup_logger
 
+
 logger = setup_logger()
 
 
diff --git a/backend/requirements/default.txt b/backend/requirements/default.txt
index cc44a3694..5b9d57b9d 100644
--- a/backend/requirements/default.txt
+++ b/backend/requirements/default.txt
@@ -32,7 +32,7 @@ litellm==1.43.18
 llama-index==0.9.45
 Mako==1.2.4
 msal==1.28.0
-nltk==3.9
+nltk==3.8.1
 Office365-REST-Python-Client==2.5.9
 oauthlib==3.2.2
 openai==1.41.1