diff --git a/pkgs/development/python-modules/pysigma-backend-splunk/default.nix b/pkgs/development/python-modules/pysigma-backend-splunk/default.nix
index f3b122b4ecac..97d5bd84f668 100644
--- a/pkgs/development/python-modules/pysigma-backend-splunk/default.nix
+++ b/pkgs/development/python-modules/pysigma-backend-splunk/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "pysigma-backend-splunk";
-  version = "0.1.1";
+  version = "0.1.2";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
     owner = "SigmaHQ";
     repo = "pySigma-backend-splunk";
     rev = "v${version}";
-    hash = "sha256-AGT+7BKtINe2ukmomYyoUa5PHYAH1N0tUTtbyjMD+kw=";
+    hash = "sha256-jKvGBUO55DtF6bpgEL82XB5Ba+kmqJsCqUdzftcpSJ0=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/python-modules/pysigma-pipeline-crowdstrike/default.nix b/pkgs/development/python-modules/pysigma-pipeline-crowdstrike/default.nix
index 22f589d3b149..2d2aadb9eaec 100644
--- a/pkgs/development/python-modules/pysigma-pipeline-crowdstrike/default.nix
+++ b/pkgs/development/python-modules/pysigma-pipeline-crowdstrike/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "pysigma-pipeline-crowdstrike";
-  version = "0.1.3";
+  version = "0.1.4";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
     owner = "SigmaHQ";
     repo = "pySigma-pipeline-crowdstrike";
     rev = "v${version}";
-    hash = "sha256-JNJHKydMzKreN+6liLlGMT1CFBUr/IX8Ah+exddKR3g=";
+    hash = "sha256-Riu2u1IouS1BMtXauXrNMIl06TU11pHdC0jjlOiR71s=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/python-modules/pysigma-pipeline-sysmon/default.nix b/pkgs/development/python-modules/pysigma-pipeline-sysmon/default.nix
index e784ac1eca16..02a12f93f7b7 100644
--- a/pkgs/development/python-modules/pysigma-pipeline-sysmon/default.nix
+++ b/pkgs/development/python-modules/pysigma-pipeline-sysmon/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "pysigma-pipeline-sysmon";
-  version = "0.1.1";
+  version = "0.1.2";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
     owner = "SigmaHQ";
     repo = "pySigma-pipeline-sysmon";
     rev = "v${version}";
-    hash = "sha256-BBJt2SAbnPEzIwJ+tXW4NmA4Nrb/glIaPlnmYHLoMD0=";
+    hash = "sha256-Y9X9/ynrfs4gVTLl7pOvK3TH2Eh2vNF1S6Cnt3tByJM=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/python-modules/pysigma/default.nix b/pkgs/development/python-modules/pysigma/default.nix
index 39ab5c9918b5..89bea0d0dc9a 100644
--- a/pkgs/development/python-modules/pysigma/default.nix
+++ b/pkgs/development/python-modules/pysigma/default.nix
@@ -11,7 +11,7 @@
 
 buildPythonPackage rec {
   pname = "pysigma";
-  version = "0.3.2";
+  version = "0.4.1";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -20,7 +20,7 @@ buildPythonPackage rec {
     owner = "SigmaHQ";
     repo = "pySigma";
     rev = "v${version}";
-    hash = "sha256-V/E2rZqVrk0kIvk+hPhNcAifhMM/rN3mk3pB+CGd43w=";
+    hash = "sha256-egyzeniid2PZZQ6hsd44W+YURI8uGaXvDMuhNIXUqO0=";
   };
 
   nativeBuildInputs = [
@@ -36,21 +36,9 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  patches = [
-    # Switch to poetry-core, https://github.com/SigmaHQ/pySigma/pull/31
-    (fetchpatch {
-      name = "switch-to-poetry-core.patch";
-      url = "https://github.com/SigmaHQ/pySigma/commit/b7a852d18852007da90c2ec35bff347c97b36f07.patch";
-      sha256 = "sha256-zgg8Bsc37W2uuQluFpIZT4jHCQaitY2ZgS93Wk6Hxt0=";
-    })
-  ];
-
   postPatch = ''
-    # https://github.com/SigmaHQ/pySigma/issues/32
-    # https://github.com/SigmaHQ/pySigma/issues/33
     substituteInPlace pyproject.toml \
-      --replace 'pyparsing = "^2.4.7"' 'pyparsing = "*"' \
-      --replace 'pyyaml = "^5.3.1"' 'pyyaml = "*"'
+      --replace 'pyparsing = "^3.0.7"' 'pyparsing = "*"' \
   '';
 
   pythonImportsCheck = [
diff --git a/pkgs/tools/security/sigma-cli/default.nix b/pkgs/tools/security/sigma-cli/default.nix
index 3bf4e7889124..5a6a3ab9ef54 100644
--- a/pkgs/tools/security/sigma-cli/default.nix
+++ b/pkgs/tools/security/sigma-cli/default.nix
@@ -5,14 +5,14 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "sigma-cli";
-  version = "0.3.0";
+  version = "0.3.2";
   format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "SigmaHQ";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-Nfd78Y35naDTzwodcdvJr/02CptcHxS717VGsR/QOuI=";
+    hash = "sha256-We6vJXLIxGe//78pgJFrihFJHl0gRd02I53hoYWcao0=";
   };
 
   nativeBuildInputs = with python3.pkgs; [