diff --git a/manifest.toml b/manifest.toml
index 985a052..6d36967 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -21,7 +21,7 @@ multi_instance = true
 ldap = false
 sso = false
 disk = "300M"
-ram.build = "50M"
+ram.build = "300M"
 ram.runtime = "50M"
 
 [install]
diff --git a/scripts/change_url b/scripts/change_url
index 45c85e8..c3278ea 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -65,6 +65,11 @@ then
 	ynh_replace_string --match_string="href=\"$old_next_path/manifest" --replace_string="href=\"$new_next_path/manifest" --target_file="$install_dir/components/CustomHead.tsx"
 fi
 
+chown $app:www-data "$install_dir/public/manifest.json"
+chown $app:www-data "$install_dir/next.config.js"
+chmod 664 "$install_dir/public/manifest.json"
+chmod 664 "$install_dir/next.config.js"
+
 #=================================================
 # REBUILDING AND INSTALL THE APP
 #=================================================
@@ -73,6 +78,8 @@ ynh_script_progression --message="Rebuilding the app..." --weight=1
 ynh_use_nodejs
 ynh_exec_warn_less yarn --cwd "$install_dir" build
 
+chown -R $app:$app "$install_dir/.next"
+
 #=================================================
 # GENERIC FINALISATION
 #=================================================
diff --git a/scripts/install b/scripts/install
index 5c8e881..a27b2af 100755
--- a/scripts/install
+++ b/scripts/install
@@ -83,6 +83,9 @@ ynh_exec_warn_less yarn --cwd "$install_dir" install
 yarn --cwd "$install_dir" run next telemetry disable
 ynh_exec_warn_less yarn --cwd "$install_dir" build
 
+chown -R $app:$app "$install_dir/node_modules"
+chown -R $app:$app "$install_dir/.next"
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index a871cd4..879156d 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -93,6 +93,9 @@ ynh_use_nodejs
 ynh_exec_warn_less yarn --cwd "$install_dir" install
 ynh_exec_warn_less yarn --cwd "$install_dir" build
 
+chown -R $app:$app "$install_dir/node_modules"
+chown -R $app:$app "$install_dir/.next"
+
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================