diff --git a/csharp/src/Apache.Arrow.Flight/Apache.Arrow.Flight.csproj b/csharp/src/Apache.Arrow.Flight/Apache.Arrow.Flight.csproj
index 7fbba13b2cc..65236c360bb 100644
--- a/csharp/src/Apache.Arrow.Flight/Apache.Arrow.Flight.csproj
+++ b/csharp/src/Apache.Arrow.Flight/Apache.Arrow.Flight.csproj
@@ -12,7 +12,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)'=='netstandard2.0'">
-    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0" />
   </ItemGroup>
   
   <ItemGroup Condition="'$(TargetFramework)'=='net472'">
diff --git a/csharp/src/Apache.Arrow/Apache.Arrow.csproj b/csharp/src/Apache.Arrow/Apache.Arrow.csproj
index a845f8e6936..ec242eae64d 100644
--- a/csharp/src/Apache.Arrow/Apache.Arrow.csproj
+++ b/csharp/src/Apache.Arrow/Apache.Arrow.csproj
@@ -14,8 +14,8 @@
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETStandard' or '$(TargetFramework)' == 'net462'">
     <PackageReference Include="System.Buffers" Version="4.5.1" />
     <PackageReference Include="System.Memory" Version="4.5.5" />
-    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.7.1" />
-    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
+    <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
+    <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.6.0" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
   </ItemGroup>