diff --git a/src/ZabbixSender.Async.csproj b/src/ZabbixSender.Async.csproj
index 6e96a5a..78cd265 100644
--- a/src/ZabbixSender.Async.csproj
+++ b/src/ZabbixSender.Async.csproj
@@ -25,7 +25,7 @@
 
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/ZabbixSender.Async.Tests.csproj b/tests/ZabbixSender.Async.Tests.csproj
index f967443..314177a 100644
--- a/tests/ZabbixSender.Async.Tests.csproj
+++ b/tests/ZabbixSender.Async.Tests.csproj
@@ -12,7 +12,7 @@
     </PackageReference>
     <PackageReference Include="JunitXml.TestLogger" Version="3.0.98" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.16.1">
       <PrivateAssets>all</PrivateAssets>