diff --git a/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Bus/SimpleIdServer.Bus.csproj b/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Bus/SimpleIdServer.Bus.csproj
index ed436f477..8192af921 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="13.0.1" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
diff --git a/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Concurrency/SimpleIdServer.Concurrency.csproj b/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Concurrency/SimpleIdServer.Concurrency.csproj
index 277072538..c1965463f 100644
--- a/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Concurrency/SimpleIdServer.Concurrency.csproj
+++ b/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Concurrency/SimpleIdServer.Concurrency.csproj
@@ -20,6 +20,6 @@
     <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="13.0.1" />
   </ItemGroup>
 </Project>
diff --git a/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Storage/SimpleIdServer.Storage.csproj b/SimpleIdentityServer/src/Apis/Common/SimpleIdServer.Storage/SimpleIdServer.Storage.csproj
index 4e23d1cb0..65ad1e0b5 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="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/SimpleIdentityServer/src/Apis/Scim/SimpleIdentityServer.Scim.Common/SimpleIdentityServer.Scim.Common.csproj b/SimpleIdentityServer/src/Apis/Scim/SimpleIdentityServer.Scim.Common/SimpleIdentityServer.Scim.Common.csproj
index ca8c48bd0..1d10a40d7 100644
--- a/SimpleIdentityServer/src/Apis/Scim/SimpleIdentityServer.Scim.Common/SimpleIdentityServer.Scim.Common.csproj
+++ b/SimpleIdentityServer/src/Apis/Scim/SimpleIdentityServer.Scim.Common/SimpleIdentityServer.Scim.Common.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' ">
diff --git a/SimpleIdentityServer/src/Apis/Scim/SimpleIdentityServer.Scim.Core/SimpleIdentityServer.Scim.Core.csproj b/SimpleIdentityServer/src/Apis/Scim/SimpleIdentityServer.Scim.Core/SimpleIdentityServer.Scim.Core.csproj
index f407e92d0..364d99dd7 100644
--- a/SimpleIdentityServer/src/Apis/Scim/SimpleIdentityServer.Scim.Core/SimpleIdentityServer.Scim.Core.csproj
+++ b/SimpleIdentityServer/src/Apis/Scim/SimpleIdentityServer.Scim.Core/SimpleIdentityServer.Scim.Core.csproj
@@ -24,7 +24,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="2.1.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
   </ItemGroup>