diff --git a/pkgs/development/python-modules/pycryptodome/default.nix b/pkgs/development/python-modules/pycryptodome/default.nix
index 15e93e59542..40084c2885e 100644
--- a/pkgs/development/python-modules/pycryptodome/default.nix
+++ b/pkgs/development/python-modules/pycryptodome/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchPypi, buildPythonPackage }:
 
 buildPythonPackage rec {
-  version = "3.9.8";
+  version = "3.9.9";
   pname = "pycryptodome";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0e24171cf01021bc5dc17d6a9d4f33a048f09d62cc3f62541e95ef104588bda4";
+    sha256 = "910e202a557e1131b1c1b3f17a63914d57aac55cf9fb9b51644962841c3995c4";
   };
 
   meta = {