diff --git a/manifest.toml b/manifest.toml
index 85d30cf..caf2a45 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -41,8 +41,8 @@ ram.runtime = "50M"
 
 [resources]
         [resources.sources.main]
-        url = "https://github.com/hackmdio/codimd/archive/refs/tags/2.5.3.tar.gz"
-        sha256 = "28289aec6f2b8c2cd134af2b88b8076cf0f50da58855eda2dac6813a374df33d"
+        url = "https://github.com/hackmdio/codimd/archive/refs/tags/2.5.4.tar.gz"
+        sha256 = "1bd556e617188bd82fe40460a16eaeead495a87b2dd1417b12d2b8b6319ff131"
         autoupdate.strategy = "latest_github_tag"
 
     [resources.ports]
diff --git a/scripts/_common.sh b/scripts/_common.sh
index b818f0f..44277c5 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,7 +4,7 @@
 # COMMON VARIABLES
 #=================================================
 
-nodejs_version=16
+nodejs_version=20
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/backup b/scripts/backup
index d487780..78b4491 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -22,15 +22,11 @@ ynh_print_info --message="Declaring files to be backed up..."
 ynh_backup --src_path="$install_dir"
 
 #=================================================
-# BACKUP THE NGINX CONFIGURATION
+# SYSTEM CONFIGURATION
 #=================================================
 
 ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
-#=================================================
-# BACKUP SYSTEMD
-#=================================================
-
 ynh_backup --src_path="/etc/systemd/system/$app.service"
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 64802ec..2e560e2 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -10,9 +10,7 @@ source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
-# STANDARD REMOVE
-#=================================================
-# REMOVE SERVICE INTEGRATION IN YUNOHOST
+# REMOVE SYSTEM CONFIGURATIONS
 #=================================================
 ynh_script_progression --message="Removing system configurations related to $app..." --weight=1
 
diff --git a/scripts/upgrade b/scripts/upgrade
index cd36635..9b0fc7d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,12 +9,6 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# CHECK VERSION
-#=================================================
-
-upgrade_type=$(ynh_check_app_version_changed)
-
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
@@ -27,26 +21,14 @@ ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd"
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
+ynh_script_progression --message="Upgrading source files..." --weight=16
 
-if [ "$upgrade_type" == "UPGRADE_APP" ]
-then
-	ynh_script_progression --message="Upgrading source files..." --weight=16
-
-	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir=$install_dir --keep="config.json .sequelizerc"
-fi
+# Download, check integrity, uncompress and patch the source from app.src
+ynh_setup_source --dest_dir=$install_dir --keep="config.json .sequelizerc"
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
-#=================================================
-# NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2
-
-# Create a dedicated NGINX config
-ynh_add_nginx_config
-
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
@@ -60,30 +42,25 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 #==============================================
 # INSTALL CODIMD
 #==============================================
-if [ "$upgrade_type" == "UPGRADE_APP" ]
-then
-	ynh_script_progression --message="Building CodiMD... (this will take some time and resources!)" --weight=16
+ynh_script_progression --message="Building CodiMD... (this will take some time and resources!)" --weight=16
 
-	pushd "$install_dir"
-		ynh_use_nodejs
-		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH bin/setup
-		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm run build
-	popd
-fi
+pushd "$install_dir"
+	ynh_use_nodejs
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH bin/setup
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm run build
+popd
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
 ynh_script_progression --message="Upgrading systemd configuration..." --weight=2
 
+# Create a dedicated NGINX config
+ynh_add_nginx_config
+
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-
 yunohost service add $app --description="Collaborative Markdown notes" --log="/var/log/$app/$app.log"
 
 #=================================================