From 5881e3c8828c6e818107250be5350f58ac3454d3 Mon Sep 17 00:00:00 2001
From: clemlatz <5627688+clemlatz@users.noreply.github.com>
Date: Wed, 4 Mar 2026 06:37:38 +0000
Subject: [PATCH] feat: update ISBN ranges

---
 src/Biblys/Isbn/groups-array.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Biblys/Isbn/groups-array.php b/src/Biblys/Isbn/groups-array.php
index 80a055a..ce484ed 100644
--- a/src/Biblys/Isbn/groups-array.php
+++ b/src/Biblys/Isbn/groups-array.php
@@ -334,7 +334,8 @@
         ['0000000', '1099999', 2],
         ['1100000', '1299999', 3],
         ['1300000', '1799999', 4],
-        ['1800000', '1829999', 0],
+        ['1800000', '1819999', 3],
+        ['1820000', '1829999', 0],
         ['1830000', '1899999', 4],
         ['1900000', '1949999', 0],
         ['1950000', '1999999', 5],