alphabetize
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 1ec0422..0f52900 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -4,6 +4,6 @@
 pretend
 pytest
 sphinx
-tox
 sphinx_rtd_theme
+tox
 -e .