diff --git a/requirements/tox-tests.txt b/requirements/tox-tests.txt
index 59678b1d..87069bc5 100644
--- a/requirements/tox-tests.txt
+++ b/requirements/tox-tests.txt
@@ -1,3 +1,3 @@
-idna==3.10
+idna==3.11
 treq==22.2.0; python_version < '3.13'
 treq==24.9.1; python_version >= '3.13'