diff --git a/pyproject.toml b/pyproject.toml
index f0d4442..7a85b27 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ dependencies = [
     "torchaudio==2.6.0",
     "numpy==1.24.3",
     "fairseq2==0.4.4",
-    "nltk==3.9.1",
+    "nltk==3.9.3",
     "syllables @ git+https://github.com/playht/python-syllables.git",
     "jiwer==3.1.0",
     "pydantic==2.11.5",