diff --git a/Source/Own.Blockchain.Public.Core/Own.Blockchain.Public.Core.fsproj b/Source/Own.Blockchain.Public.Core/Own.Blockchain.Public.Core.fsproj
index dd280f6a..02a19229 100644
--- a/Source/Own.Blockchain.Public.Core/Own.Blockchain.Public.Core.fsproj
+++ b/Source/Own.Blockchain.Public.Core/Own.Blockchain.Public.Core.fsproj
@@ -29,7 +29,7 @@
 
     <ItemGroup>
         <PackageReference Include="MessagePack" Version="1.9.11" />
-        <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     </ItemGroup>
 
 </Project>
diff --git a/Source/Own.Blockchain.Public.Net/Own.Blockchain.Public.Net.fsproj b/Source/Own.Blockchain.Public.Net/Own.Blockchain.Public.Net.fsproj
index daf107d4..eca688a0 100644
--- a/Source/Own.Blockchain.Public.Net/Own.Blockchain.Public.Net.fsproj
+++ b/Source/Own.Blockchain.Public.Net/Own.Blockchain.Public.Net.fsproj
@@ -24,7 +24,7 @@
     <ItemGroup>
         <PackageReference Include="NetMQ" Version="4.0.0.207" />
         <PackageReference Include="GuerrillaNtp" Version="1.4.1" />
-        <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     </ItemGroup>
 
 </Project>