diff --git a/pyproject.toml b/pyproject.toml
index 5619dc7..9f7298b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ authors = [
 ]
 description = "Python framework for running reproducible experiments using OpenTTD"
 readme = "README.md"
-requires-python = ">=3.7"
+requires-python = ">=3.6.7"
 classifiers = [
     "Programming Language :: Python :: 3",
     "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",