diff --git a/requirements/constraints.txt b/requirements/constraints.txt
index 7c8a02cb..815dcc34 100644
--- a/requirements/constraints.txt
+++ b/requirements/constraints.txt
@@ -17,4 +17,5 @@
 ddt < 1.4.0
 
 # greater version breaking quality build. fix in separate PR.
-pylint==2.10.2
\ No newline at end of file
+pylint==2.10.2
+backports.zoneinfo;python_version<"3.9"
\ No newline at end of file