diff --git a/check_process b/check_process
index 275243d..1bb73d8 100644
--- a/check_process
+++ b/check_process
@@ -38,14 +38,16 @@
 		#upgrade=1	from_commit=9a686b180d38329a5b53dcc40c0501961a0144b5
 		# 6.26~ynh1
 		upgrade=1	from_commit=20ccbbbd80021d71692291bfc8de6d03d32f7a76
-		# 6.27.1~ynh1
+		# 6.27.1~ynh1 / Mongo 4.4
 		upgrade=1	from_commit=9cac9713c99aabae61074ebdb2b88b1e927a1f1b
-		# 6.27.1~ynh2
+		# 6.27.1~ynh2 / Mongo 5.0
 		upgrade=1	from_commit=1ed17a307bd6a2374a21d3488f17a099107d3984
-		# 6.28~ynh1
+		# 6.28~ynh1 / Mongo 5.0
 		upgrade=1	from_commit=2c93251155dd3ce73bfa03090e914d407cc89d30
-		# 6.28~ynh2
+		# 6.28~ynh2 / Mongo 5.0
 		upgrade=1	from_commit=4bece11c12b5691811e8abb5478093cd932cad94
+		# 6.30~ynh1 / Mongo 4.4 ; 5.0
+		upgrade=1	from_commit=19d250f0c09d4f8dad4343a86a5d20672853221a
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
diff --git a/manifest.json b/manifest.json
index 520bcf7..37f6b82 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Trello-like kanban",
         "fr": "Un kanban similaire à Trello"
     },
-    "version": "6.30~ynh1",
+    "version": "6.30~ynh2",
     "url": "https://wekan.github.io",
     "upstream": {
         "license": "MIT",
diff --git a/scripts/restore b/scripts/restore
index c5ca449..3f39656 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -33,6 +33,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
+mongo_version=$(ynh_app_setting_get --app=$app --key=mongo_version)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -74,7 +75,7 @@ ynh_script_progression --message="Reinstalling dependencies..."
 ynh_install_app_dependencies $pkg_dependencies
 ynh_install_nodejs --nodejs_version=$nodejs_version
 ynh_use_nodejs
-ynh_install_mongo
+ynh_install_mongo --mongo_version=$mongo_version
 
 #=================================================
 # RESTORE THE NGINX CONFIGURATION
diff --git a/scripts/upgrade b/scripts/upgrade
index d64cd67..add98db 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -22,6 +22,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 port=$(ynh_app_setting_get --app=$app --key=port)
+mongo_version=$(ynh_app_setting_get --app=$app --key=mongo_version)
 
 #=================================================
 # CHECK VERSION
@@ -71,6 +72,12 @@ if ! ynh_permission_exists --permission="admin"; then
 	ynh_permission_create --permission="admin" --allowed=$admin
 fi
 
+# If mongo_version doesn't exist, create it
+if [ -z "$mongo_version" ]; then
+	mongo_version="$(mongod --version | grep -oP 'db version v\K.{0,3}')"
+	ynh_app_setting_set --app=$app --key=mongo_version --value=$mongo_version
+fi
+
 ynh_secure_remove --file="/etc/apt/sources.list.d/mongodb-org-3.2.list"
 ynh_secure_remove --file="/etc/apt/sources.list.d/mongodb-org-4.4.list"
 
@@ -106,7 +113,7 @@ ynh_script_progression --message="Upgrading dependencies..."
 ynh_install_app_dependencies $pkg_dependencies
 ynh_install_nodejs --nodejs_version=$nodejs_version
 ynh_use_nodejs
-ynh_install_mongo
+ynh_install_mongo --mongo_version=$mongo_version
 
 #=================================================
 # NGINX CONFIGURATION