diff --git a/conf/nginx.conf b/conf/nginx.conf
index 5e92ed0..a16d24a 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -12,6 +12,7 @@ location __PATH__/ {
 	proxy_http_version 1.1;
 	proxy_set_header Upgrade $http_upgrade;
 	proxy_set_header Connection "upgrade";
+	
 	# Include SSOWAT user panel.
 	include conf.d/yunohost_panel.conf.inc;
 	more_clear_input_headers 'Accept-Encoding';
diff --git a/manifest.toml b/manifest.toml
index 03b087f..e9e04fe 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -5,7 +5,7 @@ name = "JupyterLab"
 description.en = "Code console environment for running Python code interactively"
 description.fr = "Console de code pour exécuter du code Python de manière interactive"
 
-version = "3.6.1~ynh3"
+version = "4.0.2~ynh1"
 
 maintainers = ["kay0u"]
 
@@ -17,7 +17,7 @@ admindoc = "https://jupyterlab.readthedocs.io/en/stable/"
 code = "https://github.com/jupyterhub/jupyterhub"
 
 [integration]
-yunohost = ">= 11.1.11"
+yunohost = ">= 11.1.20"
 architectures = "all"
 multi_instance = true
 ldap = true
@@ -53,8 +53,8 @@ ram.runtime = "50M"
     type = "boolean"
     default = true
 
-
 [resources]
+
     [resources.ports]
     main.default = 8080
     hub.default = 8081
@@ -69,7 +69,6 @@ ram.runtime = "50M"
 
     [resources.apt]
     packages = "python3-dev python3-pip"
-
     extras.yarn.repo = "deb https://dl.yarnpkg.com/debian/ stable main"
     extras.yarn.key = "https://dl.yarnpkg.com/debian/pubkey.gpg"
     extras.yarn.packages = "yarn"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 4bcc8e5..42c8697 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,9 +4,9 @@
 # COMMON VARIABLES
 #=================================================
 
-nodejs_version="16"
+nodejs_version="18"
 
-jupyterlab_version="3.6.1"
+jupyterlab_version="4.0.2"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/upgrade b/scripts/upgrade
index 7dbf6c4..c1c94e6 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -50,7 +50,6 @@ then
 	popd
 fi
 
-
 #=================================================
 # REAPPLY SYSTEM CONFIGURATIONS
 #=================================================