diff --git a/pkgs/tools/security/sigma-cli/default.nix b/pkgs/tools/security/sigma-cli/default.nix
index 6f2ac26ebdc2..5a3ed90a4182 100644
--- a/pkgs/tools/security/sigma-cli/default.nix
+++ b/pkgs/tools/security/sigma-cli/default.nix
@@ -36,7 +36,8 @@ python3.pkgs.buildPythonApplication rec {
 
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace 'prettytable = "^3.1.1"' 'prettytable = "*"'
+      --replace 'prettytable = "^3.1.1"' 'prettytable = "*"' \
+      --replace 'pysigma = "^0.5.0"' 'pysigma = "*"'
   '';
 
   pythonImportsCheck = [