diff --git a/imperative/python/requires-test.txt b/imperative/python/requires-test.txt
index 545de8af81210195442467c3e0c245ea83dc6e3a..ad1f722518ae1b518a74432d399ad961859e33d8 100644
--- a/imperative/python/requires-test.txt
+++ b/imperative/python/requires-test.txt
@@ -1 +1,2 @@
 pytest==5.3.0
+pytest-sphinx>=0.2.2