diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 736d2c5..471b086 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
           - '3.2' # LTS April 2024
           - '4.2' # LTS April 2026
           - '5.0' # April 2025
-          - '5.1rc1' # December 2025
+          - '5.1' # December 2025
         exclude:
           - python-version: '3.7'
             django-version: '5.0'
@@ -27,11 +27,11 @@ jobs:
           - python-version: '3.12'
             django-version: '3.2'
           - python-version: '3.7'
-            django-version: '5.1rc1'
+            django-version: '5.1'
           - python-version: '3.8'
-            django-version: '5.1rc1'
+            django-version: '5.1'
           - python-version: '3.9'
-            django-version: '5.1rc1'
+            django-version: '5.1'
 
     steps:
     - uses: actions/checkout@v4
diff --git a/django_enum/tests/tests.py b/django_enum/tests/tests.py
index 5625dea..835e819 100755
--- a/django_enum/tests/tests.py
+++ b/django_enum/tests/tests.py
@@ -3730,7 +3730,7 @@ def test_single_field_benchmark(self):
             )
             # tends to be about 1.8x slower
             self.assertTrue((enum_time / choice_time) < 2.5)
-            self.assertTrue((no_coerce_time / choice_time) < 2)
+            self.assertTrue((no_coerce_time / choice_time) < 2.2)
 
 
     class ExampleTests(TestCase):  # pragma: no cover  - why is this necessary?