diff --git a/pyproject.toml b/pyproject.toml
index a82e2d2..57dbb7e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,6 @@
     disallow_incomplete_defs = false # Disallows defining functions with incomplete type annotations
     disallow_untyped_defs    = false # Disallows defining functions without type annotations or with incomplete type annotations
     ignore_missing_imports   = true  # Suppress error messages about imports that cannot be resolved
-    python_version           = "3.9" # Specifies the Python version used to parse and check the target program
+    python_version           = "3.8" # Specifies the Python version used to parse and check the target program
     warn_no_return           = true  # Shows errors for missing return statements on some execution paths
     warn_return_any          = true  # Shows a warning when returning a value with type Any from a function declared with a non- Any return type