diff --git a/manifest.toml b/manifest.toml
index 9805926..f85d5c0 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -87,3 +87,9 @@ ram.runtime = "500M"
 
     [resources.database]
     type = "postgresql"
+
+    [resources.nodejs]
+    version = "22"
+
+    [resources.ruby]
+    version = "3.4.5"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 9044c9c..c7ff983 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,5 +5,21 @@
 #=================================================
 
 memory_needed="2560"
-ruby_version="3.4.5"
-nodejs_version="22"
+
+case $YNH_ARCH in
+	amd64)
+		ld_preload="LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so"
+		;;
+	arm64)
+		ld_preload="LD_PRELOAD=/usr/lib/aarch64-linux-gnu/libjemalloc.so"
+		;;
+	armhf)
+		ld_preload="LD_PRELOAD=/usr/lib/arm-linux-gnueabihf/libjemalloc.so"
+		;;
+	armel)
+		ld_preload="LD_PRELOAD=/usr/lib/arm-linux-gnueabi/libjemalloc.so"
+		;;
+	i386)
+		ld_preload="LD_PRELOAD=/usr/lib/i386-linux-gnu/libjemalloc.so"
+		;;
+esac
diff --git a/scripts/install b/scripts/install
index ddb0692..4b6b798 100644
--- a/scripts/install
+++ b/scripts/install
@@ -8,14 +8,6 @@ admin_mail=$(ynh_user_get_info --username=$admin --key=mail)
 # Set `service` settings to support `yunohost app shell` command
 ynh_app_setting_set --key=service --value="$app-web.service"
 
-#=================================================
-# INSTALL DEPENDENCIES
-#=================================================
-ynh_script_progression "Installing Ruby and NodeJS..."
-
-ynh_ruby_install
-ynh_nodejs_install
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index d2c0cb5..5901cc8 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -36,10 +36,6 @@ ynh_safe_rm "/etc/cron.d/$app"
 # Remote logrotate config
 ynh_config_remove_logrotate
 
-# Remove metapackage and its dependencies
-ynh_ruby_remove
-ynh_nodejs_remove
-
 # Remove swap
 ynh_del_swap
 
diff --git a/scripts/restore b/scripts/restore
index cbb2d2c..9a706fb 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -37,14 +37,6 @@ ynh_script_progression "Adding $swap_needed Mo to swap..."
 
 ynh_add_swap --size=$swap_needed
 
-#=================================================
-# REINSTALL DEPENDENCIES
-#=================================================
-ynh_script_progression "Reinstalling Ruby and NodeJS..."
-
-ynh_ruby_install
-ynh_nodejs_install
-
 #=================================================
 # BUILD APP
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 9b3c8db..97e9062 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -46,14 +46,6 @@ fi
 ynh_script_progression "Adding $swap_needed Mo to swap..."
 ynh_add_swap --size=$swap_needed
 
-#=================================================
-# UPGRADE DEPENDENCIES
-#=================================================
-ynh_script_progression "Upgrading Ruby and NodeJS..."
-
-ynh_ruby_install
-ynh_nodejs_install
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================