diff --git a/pip-requirements.txt b/pip-requirements.txt
index e07b9cac52c5..cc5752ecdf32 100644
--- a/pip-requirements.txt
+++ b/pip-requirements.txt
@@ -12,7 +12,7 @@
 # https://www.python.org/dev/peps/pep-0440/#version-specifiers
 ##
 
-edk2-pytool-library==0.21.8
+edk2-pytool-library==0.21.9
 edk2-pytool-extensions==0.27.6
 edk2-basetools==0.1.51
 antlr4-python3-runtime==4.7.1