diff --git a/LanguageData/rfc5646 b/LanguageData/rfc5646
index d9dd4f5..f0b4921 100644
--- a/LanguageData/rfc5646
+++ b/LanguageData/rfc5646
@@ -1,4 +1,4 @@
-File-Date: 2026-08-08
+File-Date: 2026-09-17
 %%
 Type: language
 Subtag: aa
@@ -47049,6 +47049,7 @@ Added: 2005-10-16
 %%
 Type: region
 Subtag: NR
+Description: Naoero
 Description: Nauru
 Added: 2005-10-16
 %%
diff --git a/LanguageData/rfc5646.json b/LanguageData/rfc5646.json
index 804cff0..199a8e1 100644
--- a/LanguageData/rfc5646.json
+++ b/LanguageData/rfc5646.json
@@ -1,5 +1,5 @@
 {
-  "FileDate": "2026-08-08",
+  "FileDate": "2026-09-17",
   "RecordList": [
     {
       "Type": "Language",
@@ -100853,6 +100853,7 @@
       "Type": "Region",
       "SubTag": "NR",
       "Description": [
+        "Naoero",
         "Nauru"
       ],
       "Added": "2005-10-16",
diff --git a/LanguageTags/Rfc5646DataGen.cs b/LanguageTags/Rfc5646DataGen.cs
index 717d2af..8ad87d3 100644
--- a/LanguageTags/Rfc5646DataGen.cs
+++ b/LanguageTags/Rfc5646DataGen.cs
@@ -13,7 +13,7 @@ public sealed partial class Rfc5646Data
     public static Rfc5646Data Create() =>
         new()
         {
-            FileDate = new DateOnly(2026, 8, 8),
+            FileDate = new DateOnly(2026, 9, 17),
             RecordList =
             [
                 new()
@@ -134245,7 +134245,7 @@ public static Rfc5646Data Create() =>
                     Deprecated = null,
                     PreferredValue = null,
                     Tag = null,
-                    Description = [@"Nauru"],
+                    Description = [@"Naoero", @"Nauru"],
                     Comments = [],
                     Prefix = [],
                 },