diff --git a/public/_categories/typescript.json b/public/_categories/typescript.json
index 8a8d2d0..3c7be14 100644
--- a/public/_categories/typescript.json
+++ b/public/_categories/typescript.json
@@ -36,7 +36,7 @@
         "year": 2014,
         "lang": "EN",
         "added_at": "20150216",
-        "url": "https://www.syncfusion.com/resources/techportal/details/ebooks/typescript"
+        "url": "https://www.syncfusion.com/succinctly-free-ebooks/download/typescript"
       }
     ]
   }