diff --git a/paket.dependencies b/paket.dependencies
index 7147fe2f5..83493e732 100644
--- a/paket.dependencies
+++ b/paket.dependencies
@@ -49,7 +49,7 @@ nuget Be.Vlaanderen.Basisregisters.Snapshotverifier 9.1.1
 
 nuget Be.Vlaanderen.Basisregisters.Api 23.1.0
 
-nuget Be.Vlaanderen.Basisregisters.Auth.AcmIdm 3.0.0
+nuget Be.Vlaanderen.Basisregisters.Auth.AcmIdm 3.3.0
 
 nuget Be.Vlaanderen.Basisregisters.Aws.DistributedMutex 4.0.1
 nuget Be.Vlaanderen.Basisregisters.Aws.Lambda 4.0.0
diff --git a/paket.lock b/paket.lock
index dd797c4be..2e8740eca 100644
--- a/paket.lock
+++ b/paket.lock
@@ -199,8 +199,8 @@ NUGET
       NSwag.CodeGeneration.CSharp (>= 14.0.3)
       NSwag.CodeGeneration.TypeScript (>= 14.0.3)
       Swashbuckle.AspNetCore (6.2.3)
-    Be.Vlaanderen.Basisregisters.Auth.AcmIdm (3.0)
-      Be.Vlaanderen.Basisregisters.NisCodeService.Abstractions (>= 2.0)
+    Be.Vlaanderen.Basisregisters.Auth.AcmIdm (3.3)
+      Be.Vlaanderen.Basisregisters.NisCodeService.Abstractions (>= 5.0)
       IdentityModel.AspNetCore.OAuth2Introspection (>= 6.2)
       Microsoft.AspNetCore.Authentication.JwtBearer (>= 8.0.3)
       Microsoft.Extensions.DependencyInjection (>= 8.0)
@@ -330,7 +330,7 @@ NUGET
       Confluent.Kafka (>= 2.3)
       Newtonsoft.Json (>= 13.0.3)
     Be.Vlaanderen.Basisregisters.Middleware.AddProblemJsonHeader (3.0)
-    Be.Vlaanderen.Basisregisters.NisCodeService.Abstractions (2.0)
+    Be.Vlaanderen.Basisregisters.NisCodeService.Abstractions (5.0)
       Microsoft.Extensions.DependencyInjection.Abstractions (>= 8.0.1)
       Microsoft.Extensions.Logging.Abstractions (>= 8.0.1)
     Be.Vlaanderen.Basisregisters.ProblemDetails (9.0)
diff --git a/src/BuildingRegistry.Api.BackOffice/Infrastructure/Startup.cs b/src/BuildingRegistry.Api.BackOffice/Infrastructure/Startup.cs
index d78671bf9..a955e3ce4 100644
--- a/src/BuildingRegistry.Api.BackOffice/Infrastructure/Startup.cs
+++ b/src/BuildingRegistry.Api.BackOffice/Infrastructure/Startup.cs
@@ -56,7 +56,10 @@ public IServiceProvider ConfigureServices(IServiceCollection services)
                 ? baseUrl.Substring(0, baseUrl.Length - 1)
                 : baseUrl;
 
-            services.AddAcmIdmAuthentication(oAuth2IntrospectionOptions!);
+            services
+                .AddDistributedMemoryCache()
+                .AddAcmIdmAuthentication(oAuth2IntrospectionOptions!);
+
             services
                 .ConfigureDefaultForApi<Startup>(new StartupConfigureOptions
                     {
diff --git a/src/BuildingRegistry.Api.BackOffice/appsettings.json b/src/BuildingRegistry.Api.BackOffice/appsettings.json
index 556c744ed..e5e359d68 100644
--- a/src/BuildingRegistry.Api.BackOffice/appsettings.json
+++ b/src/BuildingRegistry.Api.BackOffice/appsettings.json
@@ -15,7 +15,8 @@
     "ClientId": "acmidmconsumer.webapi",
     "ClientSecret": "a_very=Secr3t*Key",
     "Authority": "http://localhost:5051",
-    "IntrospectionEndpoint": "http://localhost:5051/connect/introspect"
+    "IntrospectionEndpoint": "http://localhost:5051/connect/introspect",
+    "EnableCaching": true
   },
 
   "NisCodeServiceUrl": "https://niscode.ops-api.basisregisters.dev-vlaanderen.be",