diff --git a/benchmarks/logging/logging.py b/benchmarks/logging/logging.py
index 3084355..864e93d 100644
--- a/benchmarks/logging/logging.py
+++ b/benchmarks/logging/logging.py
@@ -53,9 +53,11 @@ class LogEntry(SnakeCaseModel):
         def recover_instance(self):
             return model.model_validate(self.model_dump())
 
+        parents = [base for base in model.__bases__ if issubclass(base, BaseModel)]
+
         adapted = type(
             f"{model.__name__}LogEntry",
-            (LogEntry,),
+            tuple([LogEntry] + parents),
             {
                 "__annotations__": model.__annotations__,
                 "adapt_instance": classmethod(adapt_instance),
diff --git a/benchmarks/logging/tests/test_logging.py b/benchmarks/logging/tests/test_logging.py
index 5eb2f59..0e6b460 100644
--- a/benchmarks/logging/tests/test_logging.py
+++ b/benchmarks/logging/tests/test_logging.py
@@ -2,6 +2,8 @@ import datetime
 from collections import defaultdict
 from io import StringIO
 
+from pydantic import BaseModel
+
 from benchmarks.logging.logging import (
     LogEntry,
     LogParser,
@@ -236,3 +238,21 @@ def test_should_store_split_logs_as_jsonl_for_requested_types():
         {"name":"start2","timestamp":"2021-01-01T00:00:00Z"}
     """)
     )
+
+
+class AModel(BaseModel):
+    a: int
+
+
+class BModel(AModel):
+    b: int
+
+
+def test_should_log_attributes_for_superclasses_in_adapted_entries():
+    BModelLogEntry = LogEntry.adapt(BModel)
+    instance = BModel(a=1, b=2)
+
+    assert (
+        str(BModelLogEntry.adapt_instance(instance))
+        == '>>{"a":1,"b":2,"entry_type":"b_model_log_entry"}'
+    )