diff --git a/requirements.txt b/requirements.txt
index 589e5086..c709208e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -69,7 +69,7 @@ sympy==1.13.3
 tabulate==0.9.0
 threadpoolctl==3.2.0
 tifffile==2024.9.20
-tokenizers==0.20.1
+tokenizers==0.21.0
 torch==2.5.0
 torchvision==0.20.0
 tqdm==4.66.5