diff --git a/setup.cfg b/setup.cfg
index 2c4236f..28e3107 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,8 +27,8 @@ classifiers =
 
 [options]
 install_requires =
-	# tmtccmd @ git+https://github.com/robamu-org/tmtccmd@v4.0.0a1
-	tmtccmd @ git+https://github.com/robamu-org/tmtccmd@23fe1dff5e035#egg=tmtccmd
+	tmtccmd @ git+https://github.com/robamu-org/tmtccmd@v4.0.0a2
+	# tmtccmd @ git+https://github.com/robamu-org/tmtccmd@23fe1dff5e035#egg=tmtccmd
 packages = find:
 python_requires = >=3.10
 include_package_data = True