diff --git a/pkgs/development/python-modules/ruamel_yaml/default.nix b/pkgs/development/python-modules/ruamel_yaml/default.nix
index 6bda50d24ad..7a7d8356cab 100644
--- a/pkgs/development/python-modules/ruamel_yaml/default.nix
+++ b/pkgs/development/python-modules/ruamel_yaml/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "ruamel.yaml";
-  version = "0.16.12";
+  version = "0.16.13";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "076cc0bc34f1966d920a49f18b52b6ad559fbe656a0748e3535cf7b3f29ebf9e";
+    sha256 = "bb48c514222702878759a05af96f4b7ecdba9b33cd4efcf25c86b882cef3a942";
   };
 
   # Tests use relative paths