diff --git a/Tests/test_file_avif.py b/Tests/test_file_avif.py
index a25f7717797..3ad38fd7e8b 100644
--- a/Tests/test_file_avif.py
+++ b/Tests/test_file_avif.py
@@ -145,14 +145,14 @@ def test_write_rgb(self, tmp_path: Path) -> None:
 
             # avifdec hopper.avif avif/hopper_avif_write.png
             assert_image_similar_tofile(
-                reloaded, "Tests/images/avif/hopper_avif_write.png", 6.88
+                reloaded, "Tests/images/avif/hopper_avif_write.png", 6.93
             )
 
             # This test asserts that the images are similar. If the average pixel
             # difference between the two images is less than the epsilon value,
             # then we're going to accept that it's a reasonable lossy version of
             # the image.
-            assert_image_similar(reloaded, im, 9.28)
+            assert_image_similar(reloaded, im, 9.39)
 
     def test_AvifEncoder_with_invalid_args(self) -> None:
         """