diff --git a/global-requirements.txt b/global-requirements.txt
index ef8c76c76..93b61ef1e 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -107,7 +107,7 @@ kubernetes  # Apache-2.0
 kuryr-lib  # Apache-2.0
 packaging  # Apache-2.0
 pylev  # BSD
-pypowervm  # Apache-2.0
+pypowervm!=1.1.21  # Apache-2.0
 pyScss!=1.3.5  # MIT License
 django-pyscss  # BSD License (2 clause)
 kombu!=4.0.2  # BSD