diff --git a/pyproject.toml b/pyproject.toml
index 5c04c32..0f085f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dynamic = ["version"]
 requires-python = ">=3.8"
 dependencies = [
     "beartype>=0.16.2",
-    "typing-extensions; python_version<='3.10'",
+    "typing-extensions>=4.9.0; python_version<='3.10'",
     "rich>=10.0"
 ]