--- time-machine-2.16.0/tox.ini.orig
+++ time-machine-2.16.0/tox.ini
@@ -7,7 +7,7 @@
 [testenv]
 package = wheel
 deps =
-    -r tests/requirements/{envname}.txt
+    -r tests/requirements/requirements.in
 set_env =
     PYTHONDEVMODE = 1
 commands =