diff --git a/pkgs/development/python-modules/whenever/default.nix b/pkgs/development/python-modules/whenever/default.nix
index 50a6411d021d1..99bb825220bda 100644
--- a/pkgs/development/python-modules/whenever/default.nix
+++ b/pkgs/development/python-modules/whenever/default.nix
@@ -20,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "whenever";
-  version = "0.6.13";
+  version = "0.6.15";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -29,12 +29,12 @@ buildPythonPackage rec {
     owner = "ariebovenberg";
     repo = "whenever";
     rev = "refs/tags/${version}";
-    hash = "sha256-JappuvryhFyVUqfgb+4Nk2ULCi3QY7x9p4FqV78qkqI=";
+    hash = "sha256-zCtHvgAQ05zmT6U7CAspG65fE4tPyS/+/gId048DbeA=";
   };
 
   cargoDeps = rustPlatform.fetchCargoTarball {
     inherit src;
-    hash = "sha256-KWB0PRYKiGNBUKYZn8bCHUjh+oFe818PgKtPdNy1CZA=";
+    hash = "sha256-sCwjo3KU4u+2FsWz8CJiqXKSaIKX6DFe1eCkIzRXF3s=";
   };
 
   build-system = [