diff --git a/pyproject.toml b/pyproject.toml
index 6ff099d..44f8e9c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,6 +45,7 @@ threading = "*"
 rich = "*"
 urwid = "*"
 matplotlib = "*"
+asciimatics = "*"
 
 [tool.poetry.dev-dependencies]