diff --git a/pkgs/development/python-modules/pyrate-limiter/default.nix b/pkgs/development/python-modules/pyrate-limiter/default.nix
index 3d15ac47bd26..95261eed47c2 100644
--- a/pkgs/development/python-modules/pyrate-limiter/default.nix
+++ b/pkgs/development/python-modules/pyrate-limiter/default.nix
@@ -2,14 +2,20 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
-  filelock,
+
+  # build-system
   poetry-core,
+
+  # optional dependencies
+  filelock,
   psycopg,
   psycopg-pool,
+  redis,
+
+  # test
   pytestCheckHook,
   pytest-asyncio,
   pytest-xdist,
-  redis,
   redisTestHook,
 }:
 
@@ -41,6 +47,14 @@ buildPythonPackage rec {
     ];
   };
 
+  # Show each test name and track the slowest
+  # This helps with identifying bottlenecks in the test suite
+  # that are causing the build to time out on Hydra.
+  pytestFlags = [
+    "--durations=10"
+    "-vv"
+  ];
+
   nativeCheckInputs = [
     pytestCheckHook
     pytest-asyncio
@@ -49,18 +63,25 @@ buildPythonPackage rec {
   ]
   ++ lib.flatten (lib.attrValues optional-dependencies);
 
-  disabledTests = [
-    # hangs
-    "test_limiter_01"
+  disabledTestPaths = [
+    # Slow: > 1.5 seconds/test run standalone on a fast machine
+    # (Apple M3 Max with highest performance settings and 36GB RAM)
+    # and/or hang under load
+    # https://github.com/vutran1710/PyrateLimiter/issues/245
+    # https://github.com/vutran1710/PyrateLimiter/issues/247
+    "tests/test_bucket_all.py"
+    "tests/test_bucket_factory.py"
+    "tests/test_limiter.py"
+    "tests/test_multiprocessing.py"
   ];
 
   pythonImportsCheck = [ "pyrate_limiter" ];
 
-  meta = with lib; {
+  meta = {
     description = "Python Rate-Limiter using Leaky-Bucket Algorimth Family";
     homepage = "https://github.com/vutran1710/PyrateLimiter";
     changelog = "https://github.com/vutran1710/PyrateLimiter/blob/${src.tag}/CHANGELOG.md";
-    license = licenses.mit;
-    maintainers = with maintainers; [ kranzes ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ kranzes ];
   };
 }