diff --git a/pkgs/development/python-modules/pyaml/default.nix b/pkgs/development/python-modules/pyaml/default.nix
index 70c660e0daad..825568da73a8 100644
--- a/pkgs/development/python-modules/pyaml/default.nix
+++ b/pkgs/development/python-modules/pyaml/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "pyaml";
-  version = "23.9.7";
+  version = "23.12.0";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-WB6k6Z8OMIhkQH4EwDxgkkGu+joV37qJZNp2RLrzshc=";
+    hash = "sha256-zm9kjv37GzpVefjO2wT6zw+h6PZIRrY5MJtYW7MitOU=";
   };
 
   nativeBuildInputs = [