diff --git a/MessagePack.NodaTime.Tests/MessagePack.NodaTime.Tests.csproj b/MessagePack.NodaTime.Tests/MessagePack.NodaTime.Tests.csproj
index da27de2..0c63864 100644
--- a/MessagePack.NodaTime.Tests/MessagePack.NodaTime.Tests.csproj
+++ b/MessagePack.NodaTime.Tests/MessagePack.NodaTime.Tests.csproj
@@ -11,7 +11,7 @@
     <ProjectReference Include="..\MessagePack.NodaTime\MessagePack.NodaTime.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
     <PackageReference Include="xunit.v3">
       <Version>3.2.2</Version>
     </PackageReference>
diff --git a/MessagePack.NodaTime/MessagePack.NodaTime.csproj b/MessagePack.NodaTime/MessagePack.NodaTime.csproj
index 2c1b9c7..37904cf 100644
--- a/MessagePack.NodaTime/MessagePack.NodaTime.csproj
+++ b/MessagePack.NodaTime/MessagePack.NodaTime.csproj
@@ -19,7 +19,7 @@
 	</PropertyGroup>
 	
 	<ItemGroup>
-		<PackageReference Include="MessagePack" Version="3.1.5" />
+		<PackageReference Include="MessagePack" Version="3.1.6" />
 		<PackageReference Include="NodaTime" Version="3.3.2" />
 	</ItemGroup>