diff --git a/pyproject.toml b/pyproject.toml
index 921f6cd45..71f09489b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,7 @@ Documentation = "https://datashuttle.neuroinformatics.dev"
 "User support" = "https://github.com/neuroinformatics-unit/datashuttle/discussions"
 
 [project.optional-dependencies]
+tui = ["textual"]
 dev = [
     "pandas",
     "pytest",