diff --git a/requirements.txt b/requirements.txt
index c46b93957..ac238060e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ requests
 typing-extensions
 cryptography <=42.0.5
 pydantic ==1.10.14
-cosl ==0.0.8
+cosl ==0.0.9
 # juju 3.1.2.0 depends on pyyaml<=6.0 and >=5.1.2
 PyYAML ==6.0.*
 pyOpenSSL==24.1.0
\ No newline at end of file