diff --git a/crates/ruff_linter/resources/test/fixtures/ruff/RUF012.py b/crates/ruff_linter/resources/test/fixtures/ruff/RUF012.py
index ef58e45df1cb4..aa9d54d8b7bdd 100644
--- a/crates/ruff_linter/resources/test/fixtures/ruff/RUF012.py
+++ b/crates/ruff_linter/resources/test/fixtures/ruff/RUF012.py
@@ -48,3 +48,14 @@ class E(Struct):
     without_annotation = []
     class_variable: ClassVar[list[int]] = []
     final_variable: Final[list[int]] = []
+
+
+from pydantic_settings import BaseSettings
+
+
+class F(BaseSettings):
+    mutable_default: list[int] = []
+    immutable_annotation: Sequence[int] = []
+    without_annotation = []
+    class_variable: ClassVar[list[int]] = []
+    final_variable: Final[list[int]] = []
diff --git a/crates/ruff_linter/src/rules/ruff/rules/helpers.rs b/crates/ruff_linter/src/rules/ruff/rules/helpers.rs
index 78caf8d18fb5d..6cf01db9db998 100644
--- a/crates/ruff_linter/src/rules/ruff/rules/helpers.rs
+++ b/crates/ruff_linter/src/rules/ruff/rules/helpers.rs
@@ -65,7 +65,9 @@ pub(super) fn has_default_copy_semantics(
         semantic.resolve_call_path(expr).is_some_and(|call_path| {
             matches!(
                 call_path.as_slice(),
-                ["pydantic", "BaseModel" | "BaseSettings"] | ["msgspec", "Struct"]
+                ["pydantic", "BaseModel" | "BaseSettings"]
+                    | ["pydantic_settings", "BaseSettings"]
+                    | ["msgspec", "Struct"]
             )
         })
     })