diff --git a/check_process b/check_process
index 5f4a9a1..17fe16f 100644
--- a/check_process
+++ b/check_process
@@ -19,8 +19,6 @@
 		incorrect_path=1
 		port_already_use=0
 		change_url=0
-;;; Levels
-	Level 5=auto
 ;;; Options
 Email=alex.aubin@mailoo.org
 Notification=down
diff --git a/conf/app.src b/conf/app.src
index 8b6d764..290b95b 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -3,4 +3,4 @@ SOURCE_SUM=612acd8cc724ab42c5266f7b9966a0212b561331d8770b5609891edb5cb69a8b
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=false
-SOURCE_FILENAME=h5ai-0.29.2.zip
\ No newline at end of file
+SOURCE_FILENAME=h5ai-0.29.2.zip
diff --git a/manifest.json b/manifest.json
index 7728111..af7559e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,10 +1,10 @@
 {
-    "name": "H5AI",
+    "name": "h5ai",
     "id": "h5ai",
     "packaging_format": 1,
     "description": {
-        "en": "A modern HTTP web server index for NGINX.",
-        "fr": "Un serveur moderne d'index pour NGINX."
+        "en": "Modern HTTP web server index for NGINX.",
+        "fr": "Serveur moderne d'index pour NGINX."
     },
     "version": "0.29.2~ynh2",
     "url": "https://larsjung.de/h5ai/",
@@ -14,7 +14,7 @@
         "email": "alex.aubin@mailoo.org"
     },
     "requirements": {
-        "yunohost": ">= 3.7.0"
+        "yunohost": ">= 3.8.1"
     },
     "multi_instance": false,
     "services": [
@@ -53,4 +53,4 @@
             }
         ]
     }
-}
\ No newline at end of file
+}
diff --git a/scripts/install b/scripts/install
index d2d49b8..7d30d96 100644
--- a/scripts/install
+++ b/scripts/install
@@ -60,15 +60,6 @@ ynh_script_progression --message="Setting up source files..." --weight=4
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source "$final_path"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Restore permissions on app files
-chown -R www-data:www-data "$final_path"
-
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -77,6 +68,23 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=1
 # Create a dedicated nginx config
 ynh_add_nginx_config
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..." --weight=1
+
+# Create a system user
+ynh_system_user_create --username=$app
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# SECURE FILES AND DIRECTORIES
+#=================================================
+
+# Restore permissions on app files
+chown -R $app: "$final_path"
+
 #=================================================
 # SETUP SSOWAT
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index de6c4b0..09f0850 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -26,6 +26,14 @@ ynh_script_progression --message="Removing $app main directory..." --weight=3
 # Remove sources
 ynh_secure_remove --file="$final_path"
 
+#=================================================
+# REMOVE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Removing the dedicated system user..." --weight=1
+
+# Delete a system user
+ynh_system_user_delete --username=$app
+
 #=================================================
 # REMOVE THE NGINX CONFIGURATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 6371596..4a4e6cb 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -51,12 +51,20 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$final_path"
 
+#=================================================
+# RECREATE THE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
+
+# Create the dedicated user (if not existing)
+ynh_system_user_create --username=$app
+
 #=================================================
 # RESTORE USER RIGHTS
 #=================================================
 
 # Restore permissions on app files
-chown -R www-data:www-data "$final_path"
+chown -R $app: "$final_path"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index afb6b80..6390aaf 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -90,9 +90,17 @@ fi
 #=================================================
 ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1
 
-# Create a dedicated nginx config
+# Create a dedicated NGINX config
 ynh_add_nginx_config
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
+
+# Create a dedicated user (if not existing)
+ynh_system_user_create --username=$app
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
@@ -100,7 +108,7 @@ ynh_add_nginx_config
 #=================================================
 
 # Set permissions on app files
-chown -R www-data:www-data "$final_path"
+chown -R $app: "$final_path"
 
 #=================================================
 # RELOAD NGINX