diff --git a/manifest.json b/manifest.json
index 91f45a2..b71f0c6 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Collaborative maps and routing with a straightforward interface",
         "fr": "Carte collaborative avec une interface simple et pratique"
     },
-    "version": "3.1.0~ynh1",
+    "version": "3.3.0~ynh1",
     "url": "https://github.com/FacilMap/facilmap",
     "upstream": {
         "license": "AGPL-3.0",
diff --git a/scripts/install b/scripts/install
index 5d65061..f7c4f21 100755
--- a/scripts/install
+++ b/scripts/install
@@ -128,7 +128,7 @@ mkdir -p $final_path
 chown -R $app $final_path
 
 pushd $final_path
-	ynh_exec_as $app "$ynh_node_load_PATH" $ynh_npm install --prefix "$final_path" -g facilmap-server@"$facilmap_version"
+	ynh_exec_as $app "$ynh_node_load_PATH" $ynh_npm install --prefix "$final_path" -g facilmap-server@"$facilmap_version" 2>/dev/null
 popd
 
 chmod 750 "$final_path"
diff --git a/scripts/upgrade b/scripts/upgrade
index 2b06158..2855318 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -107,7 +107,7 @@ ynh_script_progression --message="Building node dependencies..." --weight=20
 chown -R $app $final_path
 
 pushd "$final_path"
-	ynh_exec_as "$app" "$ynh_node_load_PATH" "$ynh_npm" install --prefix "$final_path" -g facilmap-server@"$facilmap_version"
+	ynh_exec_as "$app" "$ynh_node_load_PATH" "$ynh_npm" install --prefix "$final_path" -g facilmap-server@"$facilmap_version" 2>/dev/null
 popd
 
 #=================================================