diff --git a/mx-linux/mx-21.sh b/mx-linux/mx-21.sh
index b010b26..9702861 100644
--- a/mx-linux/mx-21.sh
+++ b/mx-linux/mx-21.sh
@@ -29,6 +29,7 @@ apt-get install $1 winff
 apt-get install $1 kdenlive kdenlive-data frei0r-plugins breeze-icon-theme
 apt-get install $1 scrcpy
 apt-get install $1 python3-pip
+apt-get install $1 python3-tk
 apt-get install $1 pipenv
 pip3 install pipenv-pipes