diff --git a/csharp/Directory.Build.props b/csharp/Directory.Build.props
index 0c8a2bc15266..f0d6dbcd8f8a 100644
--- a/csharp/Directory.Build.props
+++ b/csharp/Directory.Build.props
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net9.0</TargetFramework>
-    <RuntimeIdentifiers>win-x64;linux-x64;osx-x64</RuntimeIdentifiers>
+    <RuntimeIdentifiers>win-x64;linux-x64;osx-x64;osx-arm64</RuntimeIdentifiers>
     <Nullable>enable</Nullable>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>