diff --git a/LocalPptSkillAgent.Tests/LocalPptSkillAgent.Tests.csproj b/LocalPptSkillAgent.Tests/LocalPptSkillAgent.Tests.csproj
index 6851066..e421b4e 100644
--- a/LocalPptSkillAgent.Tests/LocalPptSkillAgent.Tests.csproj
+++ b/LocalPptSkillAgent.Tests/LocalPptSkillAgent.Tests.csproj
@@ -6,9 +6,9 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System.Net.Http" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="xunit" Version="2.9.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
   </ItemGroup>
diff --git a/LocalPptSkillAgent/LocalPptSkillAgent.csproj b/LocalPptSkillAgent/LocalPptSkillAgent.csproj
index 3331d63..d26ec7d 100644
--- a/LocalPptSkillAgent/LocalPptSkillAgent.csproj
+++ b/LocalPptSkillAgent/LocalPptSkillAgent.csproj
@@ -15,7 +15,7 @@
     <Reference Include="System.Security" />
     <PackageReference Include="Microsoft.Office.Interop.PowerPoint" Version="15.0.4420.1018" />
     <PackageReference Include="MicrosoftOfficeCore" Version="15.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
   </ItemGroup>
   <ItemGroup>
     <Compile Remove="ThisAddIn.cs" />