diff --git a/vision/smolvlm2/pyproject.toml b/vision/smolvlm2/pyproject.toml
index 39f184a..22e56db 100644
--- a/vision/smolvlm2/pyproject.toml
+++ b/vision/smolvlm2/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
   "decord",
   "liger-kernel",
   "tabulate",
-  "num2words",
+  "num2words==0.5.14",
 ]
 
 [project.optional-dependencies]
@@ -43,4 +43,4 @@ build-backend = "setuptools.build_meta"
 
 [tool.setuptools.packages.find]
 where = ["."]
-include = ["smolvlm*", "scripts*"]
\ No newline at end of file
+include = ["smolvlm*", "scripts*"]