diff --git a/pyproject.toml b/pyproject.toml
index 7b638a8f..eafa0f27 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ include = ["resources/**/*"]
 python = "^3.7"
 graphviz = ">=0.13.2,<0.21.0"
 jinja2 = ">=2.10,<4.0"
-typed-ast = "^1.5.4"
+typed-ast = { version = "^1.5.5", markers = "python_version < '3.8'}
 
 [tool.poetry.dev-dependencies]
 pytest = "^7.3"