diff --git a/pkgs/development/python-modules/boto/default.nix b/pkgs/development/python-modules/boto/default.nix
index 85ebae5b612..042a9a296ff 100644
--- a/pkgs/development/python-modules/boto/default.nix
+++ b/pkgs/development/python-modules/boto/default.nix
@@ -1,6 +1,7 @@
 { pkgs
 , buildPythonPackage
 , fetchPypi
+, pythonAtLeast
 , isPy38
 , python
 , nose
@@ -12,6 +13,7 @@
 buildPythonPackage rec {
   pname = "boto";
   version = "2.49.0";
+  disabled = pythonAtLeast "3.9"; # no longer compatible with hmac std lib package
 
   src = fetchPypi {
     inherit pname version;