diff --git a/manual/upgrade/upgrade_notes_for_10.0.x.md b/manual/upgrade/upgrade_notes_for_10.0.x.md
index 9fd61ec8..3edb1866 100644
--- a/manual/upgrade/upgrade_notes_for_10.0.x.md
+++ b/manual/upgrade/upgrade_notes_for_10.0.x.md
@@ -106,12 +106,17 @@ shards = 10     # default is 5
 
 Note, you should install Python libraries system wide using root user or sudo mode.
 
-* For Ubuntu 20.04/22.04
+For Ubuntu 20.04/22.04
 
 ```sh
 sudo pip3 install future==0.18.* mysqlclient==2.1.* pillow==10.2.* captcha==0.5.* django_simple_captcha==0.5.20 djangosaml2==1.5.* pysaml2==7.2.* pycryptodome==3.16.* cffi==1.15.1
 ```
 
+For Debian 11
+
+```sh
+su pip3 install future==0.18.* mysqlclient==2.1.* pillow==9.3.* captcha==0.4 django_simple_captcha==0.5.* djangosaml2==1.5.* pysaml2==7.2.* pycryptodome==3.16.* cffi==1.15.1
+```
 
 ## Upgrade to 10.0.x