diff --git a/pkgs/development/python-modules/pysigma/default.nix b/pkgs/development/python-modules/pysigma/default.nix
index d643a20ac9a..c85399eefa2 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 = "0.9.9";
+  version = "0.9.11";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -23,7 +23,7 @@ buildPythonPackage rec {
     owner = "SigmaHQ";
     repo = "pySigma";
     rev = "refs/tags/v${version}";
-    hash = "sha256-N3BHIec1j4G5bVQu5KKTzmxr4fFjTWIZdmtp1pSfdSg=";
+    hash = "sha256-lbpx5THSegZK09jREH15RpokmdfOng2vX4tClsc/x/A=";
   };
 
   nativeBuildInputs = [