diff --git a/crates/ruff/src/rules/ruff/rules/helpers.rs b/crates/ruff/src/rules/ruff/rules/helpers.rs
index 9643508cb7..944b1b52a2 100644
--- a/crates/ruff/src/rules/ruff/rules/helpers.rs
+++ b/crates/ruff/src/rules/ruff/rules/helpers.rs
@@ -37,11 +37,14 @@ pub(super) fn is_dataclass(class_def: &ast::StmtClassDef, semantic: &SemanticMod
     })
 }
 
-/// Returns `true` if the given class is a Pydantic `BaseModel`.
+/// Returns `true` if the given class is a Pydantic `BaseModel` or `BaseSettings` subclass.
 pub(super) fn is_pydantic_model(class_def: &ast::StmtClassDef, semantic: &SemanticModel) -> bool {
     class_def.bases.iter().any(|expr| {
         semantic.resolve_call_path(expr).map_or(false, |call_path| {
-            matches!(call_path.as_slice(), ["pydantic", "BaseModel"])
+            matches!(
+                call_path.as_slice(),
+                ["pydantic", "BaseModel" | "BaseSettings"]
+            )
         })
     })
 }