diff --git a/pkgs/development/python-modules/netdisco/default.nix b/pkgs/development/python-modules/netdisco/default.nix
index 489b6bddf56..dd17a3f6c10 100644
--- a/pkgs/development/python-modules/netdisco/default.nix
+++ b/pkgs/development/python-modules/netdisco/default.nix
@@ -1,23 +1,24 @@
-{ lib, buildPythonPackage, isPy3k, fetchPypi, requests, zeroconf, netifaces, pytest }:
+{ lib, buildPythonPackage, isPy3k, fetchPypi, requests, zeroconf, pytestCheckHook }:
 
 buildPythonPackage rec {
   pname = "netdisco";
-  version = "2.8.2";
+  version = "2.8.3";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "dcaabf83b204282aacfb213b18799eb7af2d5a6defe529487bbd0548036392fe";
+    sha256 = "sha256-4WS9PiErB6U7QuejTvbrOmnHetbE5S4zaUyhLCbyihM=";
   };
 
-  propagatedBuildInputs = [ requests zeroconf netifaces ];
+  propagatedBuildInputs = [ requests zeroconf ];
 
-  checkInputs = [ pytest ];
+  checkInputs = [ pytestCheckHook ];
 
-  checkPhase = ''
-    py.test
-  '';
+  pythonImportsCheck = [
+    "netdisco"
+    "netdisco.discovery"
+  ];
 
   meta = with lib; {
     description = "Python library to scan local network for services and devices";
diff --git a/pkgs/development/python-modules/zeroconf/default.nix b/pkgs/development/python-modules/zeroconf/default.nix
index 5105cbfff02..80a503fbb8a 100644
--- a/pkgs/development/python-modules/zeroconf/default.nix
+++ b/pkgs/development/python-modules/zeroconf/default.nix
@@ -9,12 +9,12 @@
 
 buildPythonPackage rec {
   pname = "zeroconf";
-  version = "0.29.0";
+  version = "0.30.0";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-eu+7ZYtFKx/X5REkNk+TjG9eQtbqiT+iVXvqjAbFQK8=";
+    sha256 = "sha256-elpjZq4FpI2wTf1ciILumKE/LQ4fxtCaXxvQo9HRCcc=";
   };
 
   propagatedBuildInputs = [ ifaddr ];
@@ -25,6 +25,7 @@ buildPythonPackage rec {
 
   disabledTests = [
     # disable tests that expect some sort of networking in the build container
+    "test_close_multiple_times"
     "test_launch_and_close"
     "test_launch_and_close_v4_v6"
     "test_launch_and_close_v6_only"
diff --git a/pkgs/tools/security/expliot/default.nix b/pkgs/tools/security/expliot/default.nix
index c46dcb01899..02a9ea5ee74 100644
--- a/pkgs/tools/security/expliot/default.nix
+++ b/pkgs/tools/security/expliot/default.nix
@@ -22,14 +22,14 @@
 
 buildPythonApplication rec {
   pname = "expliot";
-  version = "0.9.7";
+  version = "0.9.8";
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitLab {
     owner = "expliot_framework";
     repo = pname;
     rev = version;
-    sha256 = "sha256-k43PvH9BXcvxe7O5iCGzLuxv/WkB9YelH/d/1S7BpU0=";
+    sha256 = "sha256-7Cuj3YKKwDxP2KKueJR9ZO5Bduv+lw0Y87Rw4b0jbGY=";
   };
 
   propagatedBuildInputs = [