1 files changed, 3 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 80e93f2..da41521 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,9 @@ per-file-ignores =
 envlist = python,pylint,pylint-tests,flake8
 
 [testenv]
-deps = pytest
+deps =
+    pytest
+    lxml: lxml
 extras = testing
 passenv =
     TERM