diff --git a/requirements.txt b/requirements.txt
index f702f5d164..2ff3c6ff5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 wheel
 PyGithub
 autodoc
-empy
+empy<=3.3.4
 semantic-version 
 sphinx-tabs==3.2.0
 alabaster