diff --git a/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Bus/SimpleIdServer.Bus.csproj b/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Bus/SimpleIdServer.Bus.csproj
index ed436f477..1e2c4d19b 100644
--- a/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Bus/SimpleIdServer.Bus.csproj
+++ b/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Bus/SimpleIdServer.Bus.csproj
@@ -18,7 +18,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="2.1.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
diff --git a/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Storage/SimpleIdServer.Storage.csproj b/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Storage/SimpleIdServer.Storage.csproj
index 4e23d1cb0..b81b9199a 100644
--- a/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Storage/SimpleIdServer.Storage.csproj
+++ b/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Storage/SimpleIdServer.Storage.csproj
@@ -15,7 +15,7 @@
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.1.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Core.Common/SimpleIdentityServer.Core.Common.csproj b/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Core.Common/SimpleIdentityServer.Core.Common.csproj
index eabc4b569..f4be76d31 100644
--- a/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Core.Common/SimpleIdentityServer.Core.Common.csproj
+++ b/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Core.Common/SimpleIdentityServer.Core.Common.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="2.1.0" />
     <PackageReference Include="System.Security.Cryptography.OpenSsl" Version="4.4.0" />
   </ItemGroup>
diff --git a/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Host/SimpleIdentityServer.Host.csproj b/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Host/SimpleIdentityServer.Host.csproj
index a21c74ec6..80840e0fc 100644
--- a/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Host/SimpleIdentityServer.Host.csproj
+++ b/SimpleIdentityServer/src/Apis/SimpleIdServer/SimpleIdentityServer.Host/SimpleIdentityServer.Host.csproj
@@ -44,7 +44,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging" Version="2.1.0" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Embedded" Version="2.1.0" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Physical" Version="2.1.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
diff --git a/SimpleIdentityServer/src/Lib/System.Security.Cryptography.Algorithms.Extensions/System.Security.Cryptography.Algorithms.Extensions.csproj b/SimpleIdentityServer/src/Lib/System.Security.Cryptography.Algorithms.Extensions/System.Security.Cryptography.Algorithms.Extensions.csproj
index 58ef66021..7b09dc01b 100644
--- a/SimpleIdentityServer/src/Lib/System.Security.Cryptography.Algorithms.Extensions/System.Security.Cryptography.Algorithms.Extensions.csproj
+++ b/SimpleIdentityServer/src/Lib/System.Security.Cryptography.Algorithms.Extensions/System.Security.Cryptography.Algorithms.Extensions.csproj
@@ -17,7 +17,7 @@
   </PropertyGroup>
   
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="System.Security.Cryptography.Cng" Version="4.4.0" />
   </ItemGroup>
 </Project>