diff --git a/owocr/ocr.py b/owocr/ocr.py
index b4da82a..f36e22c 100644
--- a/owocr/ocr.py
+++ b/owocr/ocr.py
@@ -265,7 +265,8 @@ class AppleVision:
         with objc.autorelease_pool():
             req = Vision.VNRecognizeTextRequest.alloc().init()
 
-            req.setRecognitionLevel_(0)
+            req.setRevision_(Vision.VNRecognizeTextRequestRevision3)
+            req.setRecognitionLevel_(Vision.VNRequestTextRecognitionLevelAccurate)
             req.setUsesLanguageCorrection_(True)
             req.setRecognitionLanguages_(['ja','en'])