diff --git a/pkgs/development/python-modules/pyaml/default.nix b/pkgs/development/python-modules/pyaml/default.nix
index 444b66549af6..96ae8df32df0 100644
--- a/pkgs/development/python-modules/pyaml/default.nix
+++ b/pkgs/development/python-modules/pyaml/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "pyaml";
-  version = "21.10.1";
+  version = "23.7.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c6519fee13bf06e3bb3f20cacdea8eba9140385a7c2546df5dbae4887f768383";
+    sha256 = "sha256-DFELu4k4MJQA4LHkesFv2Q5W1lKAWpNBcSh4ZxjzNUY=";
   };
 
   propagatedBuildInputs = [