diff --git a/requirements-dev.txt b/requirements-dev.txt
index a57794ce1a..6a4f5617a8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,8 @@
 huffman
 
 # For nvm.toml
-cascadetoml
+cascadetoml==0.3.1
+tomlkit==0.7.2
 jinja2
 typer