diff --git a/libmat2/__init__.py b/libmat2/__init__.py
index cd65bfc..6072b42 100644
--- a/libmat2/__init__.py
+++ b/libmat2/__init__.py
@@ -31,6 +31,7 @@ DEPENDENCIES = {
     'gi': 'PyGobject',
     'gi.repository.GdkPixbuf': 'GdkPixbuf from PyGobject',
     'gi.repository.Poppler': 'Poppler from PyGobject',
+    'gi.repository.GLib': 'GLib from PyGobject',
     'mutagen': 'Mutagen',
     }