diff --git a/pkgs/development/python-modules/karton-config-extractor/default.nix b/pkgs/development/python-modules/karton-config-extractor/default.nix
index bb2b9d4903b9..9144a4026f63 100644
--- a/pkgs/development/python-modules/karton-config-extractor/default.nix
+++ b/pkgs/development/python-modules/karton-config-extractor/default.nix
@@ -7,13 +7,13 @@
 
 buildPythonPackage rec {
   pname = "karton-config-extractor";
-  version = "1.0.0";
+  version = "1.1.1";
 
   src = fetchFromGitHub {
     owner = "CERT-Polska";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1v0zqa81yjz6hm17x9hp0iwkllymqzn84dd6r2yrhillbwnjg9bb";
+    sha256 = "14592b9vq2iza5agxr29z1mh536if7a9p9hvyjnibsrv22mzwz7l";
   };
 
   propagatedBuildInputs = [
@@ -23,7 +23,9 @@ buildPythonPackage rec {
 
   postPatch = ''
     substituteInPlace requirements.txt \
-      --replace "karton.core==4.0.5" "karton-core"
+      --replace "karton-core==4.2.0" "karton-core"
+    substituteInPlace requirements.txt \
+      --replace "malduck==4.1.0" "malduck"
   '';
 
   # Project has no tests