diff --git a/pyproject.toml b/pyproject.toml
index de30c25821..880f9a7fb5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ decli = "^0.5.2"
 colorama = "^0.4.1"
 termcolor = "^1.1"
 packaging = ">=19,<21"
-tomlkit = "^0.5.3"
+tomlkit = ">=0.7.0,<1.0.0"
 jinja2 = "^2.10.3"
 pyyaml = ">=3.08"
 argcomplete = "^1.12.1"