diff --git a/manga_ocr/__init__.py b/manga_ocr/__init__.py
index 240614d..5727068 100644
--- a/manga_ocr/__init__.py
+++ b/manga_ocr/__init__.py
@@ -1,3 +1,3 @@
-__version__ = '0.1.8'
+__version__ = '0.1.9'
 
 from manga_ocr.ocr import MangaOcr
diff --git a/requirements.txt b/requirements.txt
index 3bbf60d..b5098d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,5 @@ numpy
 Pillow
 pyperclip
 torch>=1.0
-transformers>=4.12.5
-sentencepiece
+transformers>=4.25.0
 unidic_lite
diff --git a/setup.py b/setup.py
index 18ec3be..e593b95 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ long_description = (Path(__file__).parent / "README.md").read_text('utf-8').spli
 
 setup(
     name="manga-ocr",
-    version='0.1.8',
+    version='0.1.9',
     description="OCR for Japanese manga",
     long_description=long_description,
     long_description_content_type="text/markdown",
@@ -26,9 +26,8 @@ setup(
         "numpy",
         "Pillow",
         "pyperclip",
-        "sentencepiece",
         "torch>=1.0",
-        "transformers>=4.12.5",
+        "transformers>=4.25.0",
         "unidic_lite",
     ],
     entry_points={