diff --git a/pkgs/development/python-modules/napalm/default.nix b/pkgs/development/python-modules/napalm/default.nix
index c942625fe8911..07da3c408cf62 100644
--- a/pkgs/development/python-modules/napalm/default.nix
+++ b/pkgs/development/python-modules/napalm/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
   pythonOlder,
 
   # build-system
@@ -46,6 +47,16 @@ buildPythonPackage rec {
     hash = "sha256-Abw3h69qTFwOOFeAfivqAIWLozErJ1yZZfx7CbMy1AI=";
   };
 
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/napalm-automation/napalm/commit/7e509869f7cb56892380629d1cb5f99e3e2c6190.patch";
+      hash = "sha256-vJDACa5SmSJ/rcmKEow4Prqju/jYcCrzGpTdEYsAPq0=";
+      includes = [
+        "napalm/ios/ios.py"
+      ];
+    })
+  ];
+
   nativeBuildInputs = [ setuptools ];
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/ntc-templates/default.nix b/pkgs/development/python-modules/ntc-templates/default.nix
index 5619fc76cbc9d..cae6faa9f594a 100644
--- a/pkgs/development/python-modules/ntc-templates/default.nix
+++ b/pkgs/development/python-modules/ntc-templates/default.nix
@@ -28,7 +28,9 @@ buildPythonPackage rec {
 
   build-system = [ poetry-core ];
 
-  propagatedBuildInputs = [ textfsm ];
+  pythonRelaxDeps = [ "textfsm" ];
+
+  dependencies = [ textfsm ];
 
   nativeCheckInputs = [
     invoke
diff --git a/pkgs/development/python-modules/textfsm/default.nix b/pkgs/development/python-modules/textfsm/default.nix
index 89ba02bf4f258..397b1cb2ce272 100644
--- a/pkgs/development/python-modules/textfsm/default.nix
+++ b/pkgs/development/python-modules/textfsm/default.nix
@@ -2,33 +2,23 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  six,
-  future,
+  setuptools,
   pytestCheckHook,
 }:
 
 buildPythonPackage rec {
   pname = "textfsm";
-  version = "1.1.3";
-  format = "setuptools";
+  version = "2.1.0";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "google";
     repo = pname;
-    rev = "v${version}";
-    hash = "sha256-IHgKG8v0X+LSK6purWBdwDnI/BCs5XA12ZJixuqqXWg=";
+    tag = "v${version}";
+    hash = "sha256-ygVcDdT85mRN+qYfTZqraRVyp2JlLwwujBW1e/pPJNc=";
   };
 
-  # upstream forgot to update the release version
-  postPatch = ''
-    substituteInPlace textfsm/__init__.py \
-      --replace "1.1.2" "1.1.3"
-  '';
-
-  propagatedBuildInputs = [
-    six
-    future
-  ];
+  build-system = [ setuptools ];
 
   nativeCheckInputs = [ pytestCheckHook ];