diff --git a/pkgs/development/python-modules/pysigma/default.nix b/pkgs/development/python-modules/pysigma/default.nix
index 0b99073fa5ab..9775104a658d 100644
--- a/pkgs/development/python-modules/pysigma/default.nix
+++ b/pkgs/development/python-modules/pysigma/default.nix
@@ -14,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "pysigma";
-  version = "0.11.19";
+  version = "0.11.20";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -23,7 +23,7 @@ buildPythonPackage rec {
     owner = "SigmaHQ";
     repo = "pySigma";
     tag = "v${version}";
-    hash = "sha256-Zji0idW4HkZjbZgbfABJ2W145y19a6no4t4oZUvi0Qs=";
+    hash = "sha256-380o8f5tTKalPce569TJ7xeUR7CahNZ+cIWlKv3yN9w=";
   };
 
   pythonRelaxDeps = [