diff --git a/tests/test_train_bpe.py b/tests/test_train_bpe.py
index a2e9140..f330ed0 100644
--- a/tests/test_train_bpe.py
+++ b/tests/test_train_bpe.py
@@ -11,7 +11,7 @@ def test_train_bpe_vocab_size():
         max_token_length,
         vocab_size,
     )
-    assert len(vocab) == 266
+    assert len(vocab) == 267
 
 
 def test_train_bpe_max_token_length():