diff --git a/test/MsgPack.UnitTest/MsgPack.UnitTest.csproj b/test/MsgPack.UnitTest/MsgPack.UnitTest.csproj
index d42dabf3c..ef41fddf9 100644
--- a/test/MsgPack.UnitTest/MsgPack.UnitTest.csproj
+++ b/test/MsgPack.UnitTest/MsgPack.UnitTest.csproj
@@ -27,7 +27,7 @@
     <PackageReference Include="Mono.Cecil" Version="0.10.0-beta6" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp1.0'">
-    <PackageReference Include="Microsoft.NETCore.App" Version="1.0.5" />
+    <PackageReference Include="Microsoft.NETCore.App" Version="2.0.3" />
     <PackageReference Include="Microsoft.CSharp" Version="4.0.1" />
     <PackageReference Include="System.Collections.NonGeneric" Version="4.3.0" />
     <PackageReference Include="System.Collections.Specialized" Version="4.3.0" />
@@ -39,7 +39,7 @@
     <PackageReference Include="System.ValueTuple" Version="4.3.1" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.0'">
-    <PackageReference Include="Microsoft.NETCore.App" Version="2.0.0" />
+    <PackageReference Include="Microsoft.NETCore.App" Version="2.0.3" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net46'">
     <Reference Include="System" />