diff --git a/pyproject.toml b/pyproject.toml
index 810e5d9f4..2260989d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,6 +43,7 @@ pyyaml = ">=5.3.1"
 pyyaml-include = ">=1.2"
 questionary = ">=1.8.1"
 typing-extensions = { version = ">=3.7.4,<5.0.0", python = "<3.9" }
+eval-type-backport = { version = "^0.1.3", python = "<3.10" }
 
 [tool.poetry.group.dev]
 optional = true