diff --git a/scripts/_common.sh b/scripts/_common.sh
index d3ca72f..b754169 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -53,7 +53,7 @@ install_sources() {
         fi
         
         chown $synapse_user:root -R $final_path
-        sudo -u $synapse_user env PATH=$PATH pip3 install --upgrade 'cryptography>=3.4.7'
+        sudo -u $synapse_user env PATH=$PATH pip3 install --upgrade 'cryptography>=3.4.7' 'pyOpenSSL>=22.1.0' 'attrs>=22.1.0'
         pip3 install --upgrade cffi ndg-httpsclient psycopg2 lxml jinja2
         # Fix issue https://github.com/YunoHost-Apps/synapse_ynh/issues/248
         pip3 install --upgrade 'Twisted>=21' 'treq>=21.1.0' matrix-synapse==$upstream_version matrix-synapse-ldap3
diff --git a/scripts/install b/scripts/install
index f620003..9a7b3a1 100644
--- a/scripts/install
+++ b/scripts/install
@@ -146,7 +146,13 @@ ynh_exec_warn_less ynh_install_app_dependencies $dependances
 ynh_script_progression --message="Configuring system user..." --weight=3
 
 ynh_system_user_create --username=$synapse_user --home_dir=$final_path
-yunohost user create $synapse_user_app -f Synapse -l Application -d $domain -p "$synapse_user_app_pwd"
+# The format to create an user account varies depending on the version of YunoHost currently installed.
+ynh_current_version=$(dpkg-query --showformat='${Version}' --show yunohost)
+if $(dpkg --compare-versions "$ynh_current_version" ge "11.1"); then
+    yunohost user create $synapse_user_app -F "Synapse Application" -d $domain -p "$synapse_user_app_pwd"
+else
+    yunohost user create $synapse_user_app -f Synapse -l Application -d $domain -p "$synapse_user_app_pwd"
+fi
 adduser $synapse_user ssl-cert
 adduser turnserver ssl-cert
 
diff --git a/scripts/restore b/scripts/restore
index a393098..8f424f8 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -80,7 +80,13 @@ ynh_script_progression --message="Recreating the dedicated system user..." --wei
 
 # Create the dedicated user (if not existing)
 ynh_system_user_create --username=$synapse_user --home_dir=$final_path
-yunohost user create $synapse_user_app -f Synapse -l Application -d $domain -p "$synapse_user_app_pwd"
+# The format to create an user account varies depending on the version of YunoHost currently installed.
+ynh_current_version=$(dpkg-query --showformat='${Version}' --show yunohost)
+if $(dpkg --compare-versions "$ynh_current_version" ge "11.1"); then
+    yunohost user create $synapse_user_app -F "Synapse Application" -d $domain -p "$synapse_user_app_pwd"
+else
+    yunohost user create $synapse_user_app -f Synapse -l Application -d $domain -p "$synapse_user_app_pwd"
+fi
 adduser $synapse_user ssl-cert
 adduser turnserver ssl-cert
 
diff --git a/scripts/upgrade b/scripts/upgrade
index e108011..d530f6b 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -141,7 +141,13 @@ fi
 if [ -z $synapse_user_app_pwd ]; then
     synapse_user_app_pwd="$(ynh_string_random --length=30)"
     ynh_app_setting_set --app=$app --key=synapse_user_app_pwd --value=$synapse_user_app_pwd
-    yunohost user create $synapse_user_app -f Synapse -l Application -d $domain -p "$synapse_user_app_pwd"
+    # The format to create an user account varies depending on the version of YunoHost currently installed.
+    ynh_current_version=$(dpkg-query --showformat='${Version}' --show yunohost)
+    if $(dpkg --compare-versions "$ynh_current_version" ge "11.1"); then
+        yunohost user create $synapse_user_app -F "Synapse Application" -d $domain -p "$synapse_user_app_pwd"
+    else
+        yunohost user create $synapse_user_app -f Synapse -l Application -d $domain -p "$synapse_user_app_pwd"
+    fi
 fi
 
 #=================================================