diff --git a/requirements.txt b/requirements.txt
index 3450993..d01ef22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-gobject
+pygtk
diff --git a/setup.py b/setup.py
index 2c18054..fae87d7 100755
--- a/setup.py
+++ b/setup.py
@@ -10,8 +10,8 @@ setup(
     author='Richard Neumann',
     author_email='mail@richard-neumann.de',
     python_requires='>=3.8',
-    install_requires=['gobject'],
     packages=['rcon'],
+    extras_require={'GUI':  ['pygtk']},
     scripts=['files/rcongui', 'files/rconclt', 'files/rconshell'],
     url='https://github.com/conqp/rcon',
     license='GPLv3',