diff --git a/RAT/classlist.py b/RAT/classlist.py
index 41fdd155..44aba040 100644
--- a/RAT/classlist.py
+++ b/RAT/classlist.py
@@ -4,7 +4,7 @@
 import collections
 from collections.abc import Iterable, Sequence
 import contextlib
-import tabulate
+import prettytable
 from typing import Any, Union
 import warnings
 
@@ -55,8 +55,10 @@ def __repr__(self):
             output = repr(self.data)
         else:
             if any(model.__dict__ for model in self.data):
-                table = [model.__dict__ for model in self.data]
-                output = tabulate.tabulate(table, headers='keys', showindex=True)
+                table = prettytable.PrettyTable()
+                table.field_names = ['index'] + [key.replace('_', ' ') for key in self.data[0].__dict__.keys()]
+                table.add_rows([[index] + list(model.__dict__.values()) for index, model in enumerate(self.data)])
+                output = table.get_string()
             else:
                 output = repr(self.data)
         return output
diff --git a/requirements.txt b/requirements.txt
index fe40247f..d8702c34 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy >= 1.20
+prettytable >= 3.9.0
 pydantic >= 2.4.0
 pytest >= 7.4.0
 pytest-cov >= 4.1.0
-StrEnum >= 0.4.15
-tabulate >= 0.9.0
+StrEnum >= 0.4.15
\ No newline at end of file