diff --git a/src/openjd/model/v2023_09/__init__.py b/src/openjd/model/v2023_09/__init__.py
index 7971bda..fdcf8ff 100644
--- a/src/openjd/model/v2023_09/__init__.py
+++ b/src/openjd/model/v2023_09/__init__.py
@@ -36,6 +36,7 @@
     EnvironmentTemplate,
     EnvironmentVariableNameString,
     EnvironmentVariableValueString,
+    ExtensionName,
     FileDialogFilterPatternStringValue,
     Filename,
     FloatRangeList,
@@ -119,6 +120,7 @@
     "EnvironmentTemplate",
     "EnvironmentVariableNameString",
     "EnvironmentVariableValueString",
+    "ExtensionName",
     "FileDialogFilterPatternStringValue",
     "Filename",
     "FloatRangeList",