diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 2f39e8b0d36e..8cc378ddbfab 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -15509,11 +15509,11 @@ in {
 
   ruamel_yaml = buildPythonPackage rec {
     name = "ruamel.yaml-${version}";
-    version = "0.13.7";
+    version = "0.15.35";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/r/ruamel.yaml/${name}.tar.gz";
-      sha256 = "1vca2552k0kmhr9msg1bbfdvp3p9im17x1a6npaw221vlgg15z7h";
+      sha256 = "0xggyfaj6vprggahf7cq8kp9j79rb7hn8ndk3bxj2sxvwhhliiwd";
     };
 
     # Tests cannot load the module to test