diff --git a/template/tox.ini.jinja b/template/tox.ini.jinja
index 25f9f27..bb899ac 100644
--- a/template/tox.ini.jinja
+++ b/template/tox.ini.jinja
@@ -18,7 +18,7 @@ commands = pytest {posargs}
 [testenv:unpinned]
 description = Test with unpinned dependencies, as a user would install now.
 deps =
-  -r requirements/basetest.txt
+  -r requirements/basetest.in
   {{projectname}}
 commands = pytest {posargs}