diff --git a/requirements.txt b/requirements.txt
index a59a4e8..76ab950 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,7 @@
+# Requirements lower bounds listed here are our best effort to keep them up to
+# date but we do not test them so no guarantee of having them all correct. If
+# you find any incorrect lower bounds, let us know or propose a fix.
+
 # NOTE(harlowja): Because oslo.serialization is used by the client libraries,
 # we do not want to add a lot of dependencies to it. If you find that
 # adding a new feature to oslo.serialization means adding a new dependency,