diff --git a/retrieval/preprocessing/question_generation_gpt4free/requirements.txt b/retrieval/preprocessing/question_generation_gpt4free/requirements.txt
index ff2dbce..6366611 100644
--- a/retrieval/preprocessing/question_generation_gpt4free/requirements.txt
+++ b/retrieval/preprocessing/question_generation_gpt4free/requirements.txt
@@ -72,7 +72,7 @@ trio-websocket==0.10.2
 TwoCaptcha==0.0.1
 typing_extensions==4.6.1
 tzlocal==5.0.1
-urllib3==1.26.6
+urllib3==1.26.18
 validators==0.20.0
 websocket-client==1.5.2
 wsproto==1.2.0