diff --git a/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliers.java b/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliers.java
index 13b031dc1..6af1a1c8d 100644
--- a/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliers.java
+++ b/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliers.java
@@ -35,7 +35,7 @@
 class BtpServicePropertySuppliers
 {
     static final OAuth2PropertySupplierResolver XSUAA =
-        OAuth2PropertySupplierResolver.forServiceIdentifier(ServiceIdentifier.of("xsuaa"), Xsuaa::new);
+        OAuth2PropertySupplierResolver.forServiceIdentifier(ServiceIdentifier.XSUAA, Xsuaa::new);
 
     static final OAuth2PropertySupplierResolver DESTINATION =
         OAuth2PropertySupplierResolver.forServiceIdentifier(ServiceIdentifier.DESTINATION, Destination::new);
@@ -43,12 +43,9 @@ class BtpServicePropertySuppliers
     static final OAuth2PropertySupplierResolver CONNECTIVITY =
         OAuth2PropertySupplierResolver.forServiceIdentifier(ServiceIdentifier.CONNECTIVITY, ConnectivityProxy::new);
 
-    /**
-     * {@link ServiceIdentifier#IDENTITY_AUTHENTICATION} referenced indirectly for backwards compatibility.
-     */
     static final OAuth2PropertySupplierResolver IDENTITY_AUTHENTICATION =
         OAuth2PropertySupplierResolver
-            .forServiceIdentifier(ServiceIdentifier.of("identity"), IdentityAuthentication::new);
+            .forServiceIdentifier(ServiceIdentifier.IDENTITY_AUTHENTICATION, IdentityAuthentication::new);
 
     static final OAuth2PropertySupplierResolver WORKFLOW =
         OAuth2PropertySupplierResolver
@@ -82,7 +79,7 @@ class BtpServicePropertySuppliers
                     .withUrlKey(BusinessLoggingOptions.WRITE_API, "writeservice", REMOVE_PATH)
                     .factory());
     static final OAuth2PropertySupplierResolver AI_CORE =
-        OAuth2PropertySupplierResolver.forServiceIdentifier(ServiceIdentifier.of("aicore"), AiCore::new);
+        OAuth2PropertySupplierResolver.forServiceIdentifier(ServiceIdentifier.AI_CORE, AiCore::new);
 
     private static final List<OAuth2PropertySupplierResolver> DEFAULT_SERVICE_RESOLVERS = new ArrayList<>();
 
diff --git a/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/IdentityAuthenticationServiceBindingDestinationLoader.java b/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/IdentityAuthenticationServiceBindingDestinationLoader.java
index 9942812f4..d3fe8771b 100644
--- a/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/IdentityAuthenticationServiceBindingDestinationLoader.java
+++ b/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/IdentityAuthenticationServiceBindingDestinationLoader.java
@@ -106,7 +106,7 @@ public Try<HttpDestination> tryGetDestination( @Nonnull final ServiceBindingDest
 
         final ServiceBindingDestinationOptions.Builder optionsBuilder;
         try {
-            optionsBuilder = ServiceBindingDestinationOptions.forService(ServiceIdentifier.of("identity"));
+            optionsBuilder = ServiceBindingDestinationOptions.forService(ServiceIdentifier.IDENTITY_AUTHENTICATION);
         }
         catch( final DestinationAccessException e ) {
             return Try.failure(new DestinationAccessException(preparedMessage, e));
diff --git a/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/OAuth2Service.java b/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/OAuth2Service.java
index 49c87fd58..5ef224c1c 100644
--- a/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/OAuth2Service.java
+++ b/cloudplatform/connectivity-oauth/src/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/OAuth2Service.java
@@ -314,11 +314,6 @@ static class Builder
     {
         private static final String XSUAA_TOKEN_PATH = "/oauth/token";
 
-        /**
-         * {@link ServiceIdentifier#IDENTITY_AUTHENTICATION} referenced indirectly for backwards compatibility.
-         */
-        private static final ServiceIdentifier IDENTITY_AUTHENTICATION = ServiceIdentifier.of("identity");
-
         private URI tokenUri;
         private ClientIdentity identity;
         private OnBehalfOf onBehalfOf = OnBehalfOf.TECHNICAL_USER_CURRENT_TENANT;
@@ -371,7 +366,7 @@ Builder withTenantPropagationStrategy( @Nonnull final TenantPropagationStrategy
         Builder withTenantPropagationStrategyFrom( @Nullable final ServiceIdentifier serviceIdentifier )
         {
             final TenantPropagationStrategy tenantPropagationStrategy;
-            if( IDENTITY_AUTHENTICATION.equals(serviceIdentifier) ) {
+            if( ServiceIdentifier.IDENTITY_AUTHENTICATION.equals(serviceIdentifier) ) {
                 tenantPropagationStrategy = TenantPropagationStrategy.TENANT_SUBDOMAIN;
             } else {
                 tenantPropagationStrategy = TenantPropagationStrategy.ZID_HEADER;
diff --git a/cloudplatform/connectivity-oauth/src/test/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliersTest.java b/cloudplatform/connectivity-oauth/src/test/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliersTest.java
index d55e771fe..02d4d1507 100644
--- a/cloudplatform/connectivity-oauth/src/test/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliersTest.java
+++ b/cloudplatform/connectivity-oauth/src/test/java/com/sap/cloud/sdk/cloudplatform/connectivity/BtpServicePropertySuppliersTest.java
@@ -108,14 +108,14 @@ class XsuaaTest
         private static final String PROVIDER_CERT_URL = "https://provider.cert.xsuaa.domain";
         private static final ServiceBinding INSTANCE_SECRET_BINDING =
             bindingWithCredentials(
-                ServiceIdentifier.of("xsuaa"),
+                ServiceIdentifier.XSUAA,
                 entry("credential-type", "instance-secret"),
                 entry("clientid", "client-id"),
                 entry("clientsecret", "client-secret"),
                 entry("url", PROVIDER_URL));
         private static final ServiceBinding X509_BINDING =
             bindingWithCredentials(
-                ServiceIdentifier.of("xsuaa"),
+                ServiceIdentifier.XSUAA,
                 entry("credential-type", "x509_generated"),
                 entry("clientid", "client-id"),
                 entry("key", "key"),
@@ -360,7 +360,7 @@ class AiCoreTest
     {
         final ServiceBinding binding =
             bindingWithCredentials(
-                ServiceIdentifier.of("aicore"),
+                ServiceIdentifier.AI_CORE,
                 entry("serviceurls.AI_API_URL", "https://api.ai.internalprod.eu-central-1.aws.ml.hana.ondemand.com"),
                 entry("clientid", "client-id"),
                 entry("clientsecret", "client-secret"),
diff --git a/release_notes.md b/release_notes.md
index 9f94a8bcc..7d88a2676 100644
--- a/release_notes.md
+++ b/release_notes.md
@@ -8,6 +8,10 @@
 
 ### 🔧 Compatibility Notes
 
+- Minimum required versions:
+  - SAP BTP Security Services Integration Libraries `com.sap.cloud.security` 3.4.3 
+  - CAP `com.sap.cds` 2.9.3
+  - SAP Java Buildpack `com.sap.cloud.sjb` 2.10.0
 - Using IAS requires XSUAA version to be minimum `3.4.0`.
 
 ### ✨ New Functionality