diff --git a/pkgs/development/python-modules/pycryptodomex/default.nix b/pkgs/development/python-modules/pycryptodomex/default.nix
index 7d3204e021a..bf6ac65fc7f 100644
--- a/pkgs/development/python-modules/pycryptodomex/default.nix
+++ b/pkgs/development/python-modules/pycryptodomex/default.nix
@@ -2,7 +2,7 @@
 
 buildPythonPackage rec {
   pname = "pycryptodomex";
-  version = "3.9.2";
+  version = "3.9.4";
 
   meta = {
     description = "A self-contained cryptographic library for Python";
@@ -12,6 +12,6 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "137e8e2c7438184dae0b940cdf5d0d4f639b1df564a95dadbb7c4ec188850921";
+    sha256 = "22d970cee5c096b9123415e183ae03702b2cd4d3ba3f0ced25c4e1aba3967167";
   };
 }