diff --git a/pyproject.toml b/pyproject.toml
index c9b50e5..98f77de 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,8 +28,6 @@ classifiers = [
 ]
 dependencies = [
     "failprint>=0.11",
-    "cached-property>=1.5; python_version < '3.8'",
-    "typing-extensions>=4.1; python_version < '3.8'",
 ]
 
 [project.urls]