diff --git a/LanguageServer.VsCode/LanguageServer.VsCode.csproj b/LanguageServer.VsCode/LanguageServer.VsCode.csproj
index 9c276be..8416b47 100644
--- a/LanguageServer.VsCode/LanguageServer.VsCode.csproj
+++ b/LanguageServer.VsCode/LanguageServer.VsCode.csproj
@@ -35,7 +35,7 @@
 
   <ItemGroup>
     <PackageReference Include="CXuesong.JsonRpc.DynamicProxy" Version="0.5.3" />
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
   </ItemGroup>
 
diff --git a/UnitTestProject1/packages.config b/UnitTestProject1/packages.config
index 88efb46..2312d51 100644
--- a/UnitTestProject1/packages.config
+++ b/UnitTestProject1/packages.config
@@ -2,5 +2,5 @@
 <packages>
   <package id="MSTest.TestAdapter" version="1.1.11" targetFramework="net452" />
   <package id="MSTest.TestFramework" version="1.1.11" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net46" />
 </packages>
\ No newline at end of file