diff --git a/pkgs/development/python-modules/kopf/default.nix b/pkgs/development/python-modules/kopf/default.nix
index e003a6bef744..51e42eb0bd91 100644
--- a/pkgs/development/python-modules/kopf/default.nix
+++ b/pkgs/development/python-modules/kopf/default.nix
@@ -24,14 +24,14 @@
 
 buildPythonPackage rec {
   pname = "kopf";
-  version = "1.38.0";
+  version = "1.40.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "nolar";
     repo = "kopf";
     tag = version;
-    hash = "sha256-H2Q5nDIODp2VFtMIJ0g8b+/SMZzLueRGBkh1g6LBbgc=";
+    hash = "sha256-AXaEV3+p5NytKhuUkoaWBG4oNhPKQwoCRTmUkmb26RQ=";
   };
 
   build-system = [