diff --git a/tox.ini b/tox.ini
index 14fd0b7..7a2bdf6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -60,7 +60,7 @@ description = Run integration tests
 deps =
     juju
     pytest==7.2.0
-    pytest-operator==0.26.0
+    pytest-operator==0.31.1
     pytest-order==1.1.0
     tenacity==8.2.2
     -r{toxinidir}/requirements.txt