diff --git a/midas/generator/stubs.py b/midas/generator/stubs.py
index d148c49..c9a3804 100644
--- a/midas/generator/stubs.py
+++ b/midas/generator/stubs.py
@@ -127,6 +127,12 @@ class StubsGenerator:
                     body_subsitutions | substitutions,
                 )
 
+            case ConstraintType(type=base):
+                return self.get_bases(base)
+
+            case TypeVar(bound=bound) if bound is not None:
+                return [self.dump_type(bound)], {}
+
             case _:
                 return [], {}