diff --git a/setup.cfg b/setup.cfg
index 63e418e..ad5ff6d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -27,7 +27,7 @@ classifiers =
 
 [options]
 install_requires =
-	tmtccmd >= 3.0.0rc3
+	tmtccmd @ https://github.com/robamu-org/tmtccmd
 packages = find:
 python_requires = >=3.8