diff --git a/setup.py b/setup.py
index 83f8130..c02a73e 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,14 @@
         "License :: OSI Approved :: MIT License",
         "Operating System :: Microsoft :: Windows :: Windows 10",
     ],
-    install_requires=["winsdk"],
+    install_requires=[
+        "winrt-windows-foundation-collections",
+        "winrt-windows-foundation",
+        "winrt-windows-globalization",
+        "winrt-windows-graphics-imaging",
+        "winrt-windows-media-ocr",
+        "winrt-windows-storage-streams",
+    ],
     extras_require={"all": all, "api": api, "cv2": cv2},
     py_modules=["winocr"],
     entry_points={"console_scripts": ["winocr_serve = winocr:serve"]},
diff --git a/winocr.py b/winocr.py
index e24df05..20ac94a 100644
--- a/winocr.py
+++ b/winocr.py
@@ -1,8 +1,8 @@
 import asyncio
-from winsdk.windows.media.ocr import OcrEngine
-from winsdk.windows.globalization import Language
-from winsdk.windows.storage.streams import DataWriter
-from winsdk.windows.graphics.imaging import SoftwareBitmap, BitmapPixelFormat
+from winrt.windows.media.ocr import OcrEngine
+from winrt.windows.globalization import Language
+from winrt.windows.storage.streams import DataWriter
+from winrt.windows.graphics.imaging import SoftwareBitmap, BitmapPixelFormat
 
 def recognize_bytes(bytes, width, height, lang='en'):
     cmd = 'Add-WindowsCapability -Online -Name "Language.OCR~~~en-US~0.0.1.0"'