diff --git a/.github/workflows/run-crt-test.yml b/.github/workflows/run-crt-test.yml
index 8d31b8e4a9..93b600cadf 100644
--- a/.github/workflows/run-crt-test.yml
+++ b/.github/workflows/run-crt-test.yml
@@ -34,6 +34,7 @@ jobs:
           python-version: '${{ matrix.python-version }}'
           cache: 'pip'
           allow-prereleases: true
+          check-latest: true
       - name: Install dependencies and CRT
         run: |
           python scripts/ci/install --extras crt
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index f69ca6a4ba..74d62adc79 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -34,6 +34,7 @@ jobs:
           python-version: '${{ matrix.python-version }}'
           cache: 'pip'
           allow-prereleases: true
+          check-latest: true
       - name: Install dependencies
         run: |
           python scripts/ci/install
diff --git a/tests/functional/leak/test_resource_leaks.py b/tests/functional/leak/test_resource_leaks.py
index caee3aca93..b6ead73064 100644
--- a/tests/functional/leak/test_resource_leaks.py
+++ b/tests/functional/leak/test_resource_leaks.py
@@ -29,9 +29,9 @@ class TestDoesNotLeakMemory(BaseClientDriverTest):
     if sysconfig.get_config_var("Py_GIL_DISABLED") == 1:
         # Free-threaded Python objects require additional
         # memory for per-object locks and synchronization.
-        SCALING_FACTOR = 16
+        SCALING_FACTOR = 17
     else:
-        SCALING_FACTOR = 13
+        SCALING_FACTOR = 4
     MAX_GROWTH_BYTES = SCALING_FACTOR * 1024 * 1024
 
     def test_create_single_client_memory_constant(self):