diff --git a/manifest.json b/manifest.json
index eecfcf7..a2657bf 100644
--- a/manifest.json
+++ b/manifest.json
@@ -2,7 +2,7 @@
     "name": "Wekan",
     "id": "wekan",
     "packaging_format": 1,
-    "version": "0.77-1",
+    "version": "0.77-2",
     "description": {
         "en": "Trello-like kanban",
         "fr": "Un kanban similaire à Trello"
diff --git a/scripts/install b/scripts/install
index a3a8db0..ff9bb84 100755
--- a/scripts/install
+++ b/scripts/install
@@ -48,7 +48,7 @@ ynh_app_setting_set $app port $port
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-ynh_install_nodejs 4.8.7
+ynh_install_nodejs 8.9.3
 
 # Install mongodb
 wget https://www.mongodb.org/static/pgp/server-3.2.asc -O - | apt-key add -
@@ -96,12 +96,12 @@ systemctl restart mongod
 # SETUP SYSTEMD
 #=================================================
 # Create a dedicated systemd config
-ynh_replace_string "__NODEJS__" "$nodejs_use_version" "../conf/systemd.service"
-ynh_replace_string "__ENV_PATH__" "$PATH" "../conf/systemd.service"
-ynh_replace_string "__DB_NAME__" "$app" "../conf/systemd.service"
-ynh_replace_string "__URI__" "$path_url/" "../conf/systemd.service"
-ynh_replace_string "__PORT__" "$port" "../conf/systemd.service"
-ynh_replace_string "__DOMAIN__" "$domain" "../conf/systemd.service"
+ynh_replace_string "__NODEJS__"   "$nodejs_use_version" "../conf/systemd.service"
+ynh_replace_string "__ENV_PATH__" "$PATH"               "../conf/systemd.service"
+ynh_replace_string "__DB_NAME__"  "$app"                "../conf/systemd.service"
+ynh_replace_string "__URI__"      "$path_url/"          "../conf/systemd.service"
+ynh_replace_string "__PORT__"     "$port"               "../conf/systemd.service"
+ynh_replace_string "__DOMAIN__"   "$domain"             "../conf/systemd.service"
 ynh_add_systemd_config
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 9e1fbb0..6db2e0b 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -58,6 +58,18 @@ fi
 if ynh_version_gt "0.63-1" "${version}" ; then
     ynh_install_nodejs 4.8.7
 fi
+if ynh_version_gt "0.77-2" "${version}" ; then
+    ynh_install_nodejs 8.9.3
+    # Create a dedicated systemd config
+    ynh_replace_string "__NODEJS__" "$nodejs_use_version" "../conf/systemd.service"
+    ynh_replace_string "__ENV_PATH__" "$PATH" "../conf/systemd.service"
+    ynh_replace_string "__DB_NAME__" "$app" "../conf/systemd.service"
+    ynh_replace_string "__URI__" "$path_url/" "../conf/systemd.service"
+    ynh_replace_string "__PORT__" "$port" "../conf/systemd.service"
+    ynh_replace_string "__DOMAIN__" "$domain" "../conf/systemd.service"
+    ynh_add_systemd_config
+fi
+
 
 #=================================================
 # STANDARD UPGRADE STEPS
@@ -74,11 +86,18 @@ ynh_setup_source "$final_path"
 #=================================================
 # SECURE FILES AND DIRECTORIES
 #=================================================
+
 # Set strong right permissions to app files
 chown -R $app: "$final_path"
 chmod -R 640 "$final_path"
 find "$final_path" -type d -print0 | xargs -0 chmod 750
 
+# Relaunch a npm install
+pushd $final_path/programs/server
+ynh_use_nodejs
+npm install
+popd
+
 #=================================================
 # RELOAD NGINX
 #=================================================