diff --git a/cyberpanel_upgrade.sh b/cyberpanel_upgrade.sh
index 82ad0fc15..3829584f1 100644
--- a/cyberpanel_upgrade.sh
+++ b/cyberpanel_upgrade.sh
@@ -516,7 +516,7 @@ else
   else
     PIP3="pip3.6"
   fi
-  $PIP3 install --default-timeout=3600 virtualenv==16.7.9
+  $PIP3 install --default-timeout=3600 virtualenv
   Check_Return
 fi