diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c38f6aafaaf2..d9c6c0237801 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -14761,11 +14761,11 @@ in {
   };
 
   mutagen = buildPythonPackage (rec {
-    name = "mutagen-1.32";
+    name = "mutagen-1.34";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/m/mutagen/${name}.tar.gz";
-      sha256 = "1d9sxl442xjj7pdyjj5h0dsjyd7d3wqswr8icqqgqdmg9k8dw8bp";
+      sha256 = "06anfzpjajwwh25n3afavwafrix3abahgwfr2zinrhqh2w98kw5s";
     };
 
     # Needed for tests only