diff --git a/Tests/test_file_avif.py b/Tests/test_file_avif.py
index 44585b4813e..38c17c5a7f1 100644
--- a/Tests/test_file_avif.py
+++ b/Tests/test_file_avif.py
@@ -163,7 +163,7 @@ def _roundtrip(self, tmp_path: Path, mode: str, epsilon: float) -> None:
             if mode == "RGB":
                 # avifdec hopper.avif avif/hopper_avif_write.png
                 assert_image_similar_tofile(
-                    image, "Tests/images/avif/hopper_avif_write.png", 5.81
+                    image, "Tests/images/avif/hopper_avif_write.png", 6.02
                 )
 
             # This test asserts that the images are similar. If the average pixel