diff --git a/pyproject.toml b/pyproject.toml
index b328a38..2388ab1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ authors = [
     { name = "Charles Leifer", email = "coleifer@gmail.com" },
     { name = "laggykiller", email = "chaudominic2@gmail.com" }
 ]
-license = "Zlib"
+license = { text = "zlib/libpng" }
 classifiers = [
     "Development Status :: 4 - Beta",
     "Intended Audience :: Developers",
@@ -26,7 +26,7 @@ homepage = "https://github.com/laggykiller/sqlcipher3"
 [build-system]
 requires = [
     "conan>=2.0",
-    "setuptools>=77",
+    "setuptools>=45",
     "lipomerge>=0.1.1",
     "urllib3<2.0"  # urllib3>=2.0 not work for building python3.7 wheels (https://github.com/urllib3/urllib3/issues/2168)
 ]