diff --git a/pkgs/development/python-modules/limits/default.nix b/pkgs/development/python-modules/limits/default.nix
index d7f7d55ce343..f2e76f1cf317 100644
--- a/pkgs/development/python-modules/limits/default.nix
+++ b/pkgs/development/python-modules/limits/default.nix
@@ -27,11 +27,9 @@
 
 buildPythonPackage rec {
   pname = "limits";
-  version = "5.2.0";
+  version = "5.4.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
-
   src = fetchFromGitHub {
     owner = "alisaifee";
     repo = "limits";
@@ -39,10 +37,10 @@ buildPythonPackage rec {
     # Upstream uses versioneer, which relies on git attributes substitution.
     # This leads to non-reproducible archives on github. Remove the substituted
     # file here, and recreate it later based on our version info.
+    hash = "sha256-EHLqkd5Muazr52/oYaLklFVvF+AzJWGbFaaIG+T0ulE=";
     postFetch = ''
       rm "$out/limits/_version.py"
     '';
-    hash = "sha256-0D44XaSZtebMnn9mqXbaE7FB7usdu/eZ/4UE3Ye0oyA=";
   };
 
   patches = [
@@ -102,15 +100,19 @@ buildPythonPackage rec {
 
   pytestFlagsArray = [ "--benchmark-disable" ];
 
-  disabledTests = [ "test_moving_window_memcached" ];
+  disabledTests = [
+    "test_moving_window_memcached"
+    # Flaky: compares time to magic value
+    "test_sliding_window_counter_previous_window"
+  ];
 
   pythonImportsCheck = [ "limits" ];
 
-  meta = with lib; {
+  meta = {
     description = "Rate limiting using various strategies and storage backends such as redis & memcached";
     homepage = "https://github.com/alisaifee/limits";
     changelog = "https://github.com/alisaifee/limits/releases/tag/${src.tag}";
-    license = licenses.mit;
-    maintainers = [ ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ sarahec ];
   };
 }
diff --git a/pkgs/development/python-modules/valkey/default.nix b/pkgs/development/python-modules/valkey/default.nix
index 3f56124ed71d..25cac9c152b2 100644
--- a/pkgs/development/python-modules/valkey/default.nix
+++ b/pkgs/development/python-modules/valkey/default.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
   fetchFromGitHub,
   buildPythonPackage,
   pythonOlder,
@@ -32,8 +33,6 @@ buildPythonPackage rec {
   version = "6.1.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.7";
-
   src = fetchFromGitHub {
     owner = "valkey-io";
     repo = "valkey-py";
@@ -78,19 +77,32 @@ buildPythonPackage rec {
 
   pytestFlagsArray = [ "-m 'not onlycluster and not ssl'" ];
 
-  disabledTests = [
-    # valkey.sentinel.MasterNotFoundError: No master found for 'valkey-py-test'
-    "test_get_from_cache"
-    "test_cache_decode_response"
-    # Expects another valkey instance on port 6380 *shrug*
-    "test_psync"
+  disabledTests =
+    [
+      # valkey.sentinel.MasterNotFoundError: No master found for 'valkey-py-test'
+      "test_get_from_cache"
+      "test_cache_decode_response"
+      # Expects another valkey instance on port 6380 *shrug*
+      "test_psync"
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [
+      #  OSError: AF_UNIX path too long
+      "test_uds_connect"
+      "test_network_connection_failure"
+    ];
+
+  disabledTestPaths = lib.optionals stdenv.hostPlatform.isDarwin [
+    # AttributeError: Can't get local object 'TestMultiprocessing.test_valkey_client.<locals>.target'
+    "tests/test_multiprocessing.py"
   ];
 
-  meta = with lib; {
+  __darwinAllowLocalNetworking = true;
+
+  meta = {
     description = "Python client for Redis key-value store";
     homepage = "https://github.com/valkey-io/valkey-py";
     changelog = "https://github.com/valkey-io/valkey-py/releases/tag/${src.tag}";
-    license = with licenses; [ mit ];
-    maintainers = with maintainers; [ hexa ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ hexa ];
   };
 }