diff --git a/pkgs/development/python-modules/karton-dashboard/default.nix b/pkgs/development/python-modules/karton-dashboard/default.nix
index d1dd4478cf53..ad7d87138569 100644
--- a/pkgs/development/python-modules/karton-dashboard/default.nix
+++ b/pkgs/development/python-modules/karton-dashboard/default.nix
@@ -9,13 +9,13 @@
 
 buildPythonPackage rec {
   pname = "karton-dashboard";
-  version = "1.2.0";
+  version = "1.2.1";
 
   src = fetchFromGitHub {
     owner = "CERT-Polska";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0qygv9lkd1jad5b4l0zz6hsi7m8q0fmpwaa6hpp7p9x6ql7gnyl8";
+    sha256 = "sha256-C1wtpHyuTlNS6Se1rR0RGUl3xht4aphAtddKlIsOAkI=";
   };
 
   propagatedBuildInputs = [