diff --git a/book.json b/book.json
index 3049346..12b5cf3 100644
--- a/book.json
+++ b/book.json
@@ -28,7 +28,7 @@
     "github-buttons": {
       "buttons": [{
         "user": "hoppersroppers",
-        "repo": "ctf",
+        "repo": "technicalsecurity",
         "type": "star",
         "size": "small",
         "count": true