1 files changed, 2 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 33e0f57..89cc397 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,8 @@ commands = flake8 {toxinidir}/markdown {toxinidir}/tests {toxinidir}/setup.py {t
 
 [testenv:checkspelling]
 deps =
+    mkdocs
+    mkdocs_nature
 commands = {toxinidir}/checkspelling.sh
 
 [flake8]