diff --git a/pyproject.toml b/pyproject.toml
index 16e6d942..afccafa7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,7 @@ typing-extensions = { version = ">=4.7.1", python = "<3.11" }
 orjson = ">=3.9.10"
 typer = ">=0.9.0"
 rich = ">=13.7.0"
+eval-type-backport = { version = ">=0.1.3", python = "<3.10" }
 
 [tool.poetry.group.dev.dependencies]
 ruff = "0.2.2"