diff --git a/Marking.OCR.Service/Marking.OCR.Service.csproj b/Marking.OCR.Service/Marking.OCR.Service.csproj
index 7d4a872..f8dc67c 100644
--- a/Marking.OCR.Service/Marking.OCR.Service.csproj
+++ b/Marking.OCR.Service/Marking.OCR.Service.csproj
@@ -15,10 +15,10 @@
 
   <ItemGroup>
     <PackageReference Include="Marking.WebExtensions" Version="1.2.1.4" />
-    <PackageReference Include="OpenCvSharp4" Version="4.9.0.20240103" />
-    <PackageReference Include="OpenCvSharp4.Extensions" Version="4.9.0.20240103" />
-    <PackageReference Include="OpenCvSharp4.runtime.win" Version="4.9.0.20240103" />
-    <PackageReference Include="OpenCvSharp4_.runtime.ubuntu.20.04-x64" Version="4.9.0.20240103" />
+    <PackageReference Include="OpenCvSharp4" Version="4.8.0.20230708" />
+    <PackageReference Include="OpenCvSharp4.Extensions" Version="4.8.0.20230708" />
+    <PackageReference Include="OpenCvSharp4.runtime.win" Version="4.8.0.20230708" />
+    <PackageReference Include="OpenCvSharp4_.runtime.ubuntu.20.04-x64" Version="4.8.0.20230708" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
   </ItemGroup>