diff --git a/requirements.txt b/requirements.txt
index faeda44..62d6bb4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ boto3>=1.36
 shapely>=2.0
 pycairo>=1.27,<2.0
 pyiem>=1.23,<2.0
+pygobject>=3.50,<4.0