diff --git a/pyproject.toml b/pyproject.toml
index 3c8162a..1508897 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,8 +12,8 @@ authors = [
     { name = "Andrei Betlen", email = "abetlen@gmail.com" },
 ]
 dependencies = [
-    "typing-extensions>=4.7.1",
-    "numpy>=1.24.4",
+    "typing-extensions>=4.5.0",
+    "numpy>=1.20.0",
     "diskcache>=5.6.1",
 ]
 requires-python = ">=3.7"