diff --git a/requirements_dev.txt b/requirements_dev.txt
index 720501c621d6d62cecd3882e9ee9421894b17cdc..a1cd26adca74c160484234f2afdf89bee16bcbf0 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,3 +4,4 @@ flake8-docstrings
 mypy
 pandas
 pytest
+tkinter
\ No newline at end of file