diff --git a/setup.py b/setup.py
index 8e77735e..1884c5b8 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@ install_requires = [
     'progressbar2 < 3.54',
     'cryptography < 3.5',
     'pygments < 3',
-    'pygobject < 1.2',
+    'pygobject < 3.40.1',
     'pyopenssl < 21.0.0',
     'python-dateutil < 3',
     'python-potr < 1.1',