diff --git a/pyproject.toml b/pyproject.toml
index 1dec97e..8068cba 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ classifiers = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.9"
+python = "^3.6"
 
 [tool.poetry.dev-dependencies]
 pytest = "^6.2.4"