diff --git a/papers/SubTagger/requirements_pip.txt b/papers/SubTagger/requirements_pip.txt
index 768947c..5679a57 100644
--- a/papers/SubTagger/requirements_pip.txt
+++ b/papers/SubTagger/requirements_pip.txt
@@ -33,7 +33,7 @@ Flask==1.0.3
 Flask-Cors==3.0.8
 ftfy==5.5.1
 gast==0.2.2
-gevent==1.4.0
+gevent==23.9.1
 greenlet==0.4.15
 grpcio==1.16.1
 h5py==2.9.0