diff --git a/pyproject.toml b/pyproject.toml
index cd888710..c07d3881 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ torchvision = "*"
 accelerate = "0.22.0"
 datasets = "2.10.1"
 lion-pytorch = "0.0.7"
-sentencepiece = "0.1.98"
+sentencepiece = "0.1.99"
 colt5-attention = "0.10.19"
 vector-quantize-pytorch = "1.12.0"
 tokenmonster = "1.1.12"