diff --git a/SeafClient.Tests/SeafClient.Tests.csproj b/SeafClient.Tests/SeafClient.Tests.csproj
index 7c02a98..8047115 100644
--- a/SeafClient.Tests/SeafClient.Tests.csproj
+++ b/SeafClient.Tests/SeafClient.Tests.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="MSTest.TestAdapter" Version="2.0.0" />
     <PackageReference Include="MSTest.TestFramework" Version="2.0.0" />
     <PackageReference Include="coverlet.collector" Version="1.2.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/SeafClient/SeafClient.csproj b/SeafClient/SeafClient.csproj
index f2b6450..2de95fa 100644
--- a/SeafClient/SeafClient.csproj
+++ b/SeafClient/SeafClient.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>