diff --git a/pkgs/development/python-modules/dunamai/default.nix b/pkgs/development/python-modules/dunamai/default.nix
index 118c2544314a..ca23b81eba11 100644
--- a/pkgs/development/python-modules/dunamai/default.nix
+++ b/pkgs/development/python-modules/dunamai/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "dunamai";
-  version = "1.13.0";
+  version = "1.13.1";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     owner = "mtkennerly";
     repo = "dunamai";
     rev = "refs/tags/v${version}";
-    sha256 = "sha256-0x1bwu5X1P8f51NeupEQc0eghaqQIp3jb2uwZ0JDbgQ=";
+    sha256 = "sha256-UoqVfRdwOgxNLY17+dPgYO1GIPw3ZUwE/tiVzHjBxcY=";
   };
 
   nativeBuildInputs = [