diff --git a/constraints-juju29.txt b/constraints-juju29.txt
index 0919801a..f20f4708 100644
--- a/constraints-juju29.txt
+++ b/constraints-juju29.txt
@@ -1 +1,2 @@
-juju>=2.9.0,<3.0.0
+# 2.9.45.0 - https://github.com/juju/python-libjuju/pull/975
+juju>=2.9.0,<3.0.0,!=2.9.45