diff --git a/tox.ini b/tox.ini
index 65127b8..8b01ee1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,8 +24,11 @@ extras =
     coverage
 deps =
   django42: Django~=4.2
-install_command =
-  python -I -m pip install {opts} --no-binary lxml {packages}
+; install_command =
+;   python -I -m pip install {opts} \
+;     --no-binary=lxml \
+;     --no-binary=xmlsec \
+;     {packages}
 commands =
   py.test tests \
    --cov --cov-report xml:reports/coverage-{envname}.xml \