diff --git a/requirements.txt b/requirements.txt
index f2133fa2..d7f8affc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,7 +62,7 @@ python-dateutil==2.8.1
 pyzmq==22.0.3
 qrcode==6.1
 scipy==1.5.4
-sklearn==0.24.1
+sklearn==0.23.1
 Send2Trash==1.5.0
 six==1.15.0
 sniffio==1.2.0