diff --git a/src/NEsper.Avro/NEsper.Avro.csproj b/src/NEsper.Avro/NEsper.Avro.csproj
index 10c4fc3ea..f839e212a 100644
--- a/src/NEsper.Avro/NEsper.Avro.csproj
+++ b/src/NEsper.Avro/NEsper.Avro.csproj
@@ -17,7 +17,7 @@
 
     <ItemGroup>
         <PackageReference Include="Apache.Avro" Version="1.11.0"/>
-        <PackageReference Include="Newtonsoft.Json" Version="10.0.3"/>
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1"/>
     </ItemGroup>
 
     <ItemGroup>
diff --git a/src/NEsper.Avro/packages.config b/src/NEsper.Avro/packages.config
index 4b4b7f74e..f303192b8 100644
--- a/src/NEsper.Avro/packages.config
+++ b/src/NEsper.Avro/packages.config
@@ -3,5 +3,5 @@
 <packages>
   <package id="Apache.Avro" version="1.7.7.2" targetFramework="net461" />
   <package id="log4net" version="2.0.10" targetFramework="net461" />
-  <package id="Newtonsoft.Json" version="3.5.8" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net45" />
 </packages>
\ No newline at end of file