diff --git a/.rat-excludes b/.rat-excludes
index 1975068673..c37e28b14f 100644
--- a/.rat-excludes
+++ b/.rat-excludes
@@ -1,4 +1,4 @@
-# Note: these patterns are applied to single files or directories, not full paths
+# Note: these patterns are applied to single files or directories, not full paths
 # coverage/* will ignore any coverage dir, but airflow/www/static/coverage/* will match nothing
 
 .rat-excludes
@@ -36,4 +36,5 @@ ConcurrentHashSet\.cs
 NullableAttributes\.cs
 ConfigurationReloadToken\.cs
 ConfigurationRoot\.cs
-ConfigurationSection\.cs
\ No newline at end of file
+ConfigurationSection\.cs
+DateTimeOffsetUtil\.cs
\ No newline at end of file