diff --git a/vendor.txt b/vendor.txt
index 6ce8846c8c..8d5dcad77e 100644
--- a/vendor.txt
+++ b/vendor.txt
@@ -3,3 +3,4 @@ ply==3.10
 progressbar==2.5
 simplediff==1.1
 typing_extensions==4.15.0
+tomli==2.4.1