diff --git a/pyproject.toml b/pyproject.toml
index 270bfb2..5c42686 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,7 @@ dependencies = [
     "requests>2.32.2",
     "tqdm",
 ]
+requires-python = ">=3.8"
 
 [project.scripts]
 drakpdb = "drakpdb.main:main"