diff --git a/scripts/extract-elx/extract-elx.js b/scripts/extract-elx/extract-elx.js
index f7c37ca..8e85d81 100644
--- a/scripts/extract-elx/extract-elx.js
+++ b/scripts/extract-elx/extract-elx.js
@@ -96,7 +96,8 @@ const CONFIG = {
   MANIFEST_FILE: '_manifest.json',
   INDEX_FILE: 'index',
   ITEM_PREFIX: 'item',
-  INTERNALS_SUFFIX: '_internals'
+  INTERNALS_SUFFIX: '_internals',
+  VERSION: '1.0.0'
 };
 
 // ============================================================================
@@ -602,7 +603,7 @@ async function processProperty(outputPath, propertyName, value) {
 async function createManifest(outputPath, data, processedProperties) {
   const manifest = {
     extractedAt: new Date().toISOString(),
-    scriptVersion: '1.0.0',
+    scriptVersion: CONFIG.VERSION,
     properties: {},
     summary: {
       totalProperties: processedProperties.length,