diff --git a/src/Ranger.Services.Subscriptions/Ranger.Services.Subscriptions.csproj b/src/Ranger.Services.Subscriptions/Ranger.Services.Subscriptions.csproj
index 5f787e6..42fdc36 100644
--- a/src/Ranger.Services.Subscriptions/Ranger.Services.Subscriptions.csproj
+++ b/src/Ranger.Services.Subscriptions/Ranger.Services.Subscriptions.csproj
@@ -16,7 +16,7 @@
   <ItemGroup>
     <PackageReference Include="Autofac" Version="4.9.4" />
     <PackageReference Include="ChargeBee" Version="2.7.9" />
-    <PackageReference Include="IdentityServer4" Version="3.1.0" />
+    <PackageReference Include="IdentityServer4" Version="4.0.2" />
     <PackageReference Include="IdentityServer4.AspNetIdentity" Version="3.1.0" />
     <PackageReference Include="IdentityServer4.EntityFramework" Version="3.1.0" />
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="3.0.1" />