Fix incorrect setuptools minimum version number

b1bf7874 · Ben Mares · Brandon T. Willard · 1d36872e · b1bf7874
--- a/setup.py
+++ b/setup.py
@@ -53,7 +53,7 @@ install_requires = [
    "miniKanren",
    "cons",
    "typing_extensions",
-    "setuptools>=45.0.0",
+    "setuptools>=48.0.0",
 ]