diff --git a/scripts/install/ubuntu.sh b/scripts/install/ubuntu.sh
index a1ee35667..42a21c622 100644
--- a/scripts/install/ubuntu.sh
+++ b/scripts/install/ubuntu.sh
@@ -107,7 +107,7 @@ else
 fi
 
 pip3 install gunicorn==20.1.0
-pip3 install gevent==21.1.2
+pip3 install gevent==20.9.0
 pip3 install gevent-websocket==0.10.1
 pip3 install requests==2.20.0
 pip3 install flask-caching==1.10.1
diff --git a/scripts/update/ubuntu.sh b/scripts/update/ubuntu.sh
index fda6a197f..cd89065cc 100644
--- a/scripts/update/ubuntu.sh
+++ b/scripts/update/ubuntu.sh
@@ -47,7 +47,7 @@ else
 fi
 
 pip3 install gunicorn==20.1.0
-pip3 install gevent==21.1.2
+pip3 install gevent==20.9.0
 pip3 install gevent-websocket==0.10.1
 pip3 install requests==2.20.0
 pip3 install flask-caching==1.10.1