diff --git a/requirements.txt b/requirements.txt
index 77ce258b..280fc475 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ redis==4.5.5
 apscheduler==3.10.1
 pymongo==4.4.1
 tornado==6.3.2
-captcha==0.4
+captcha==0.5.0
 passlib==1.7.4
 fakeredis==2.17.0
 filetype==1.2.0