diff --git a/sdk-generation-log/configurationwebhooks.json b/sdk-generation-log/configurationwebhooks.json
index e9d72b807..3668e6575 100644
--- a/sdk-generation-log/configurationwebhooks.json
+++ b/sdk-generation-log/configurationwebhooks.json
@@ -1,8 +1,8 @@
 {
   "service": "configurationwebhooks",
   "project": "java",
-  "generatedAt": "2026-06-02T15:30:09Z",
-  "openapiCommitSha": "f3894fd6b47d9076841b04852378251de3bba2de",
-  "automationCommitSha": "6f06b47d0661f0891defe6b85461d2c367fbd284",
-  "libraryCommitSha": "9539e092f2160ca341916c804f01f0f699a64415"
+  "generatedAt": "2026-07-15T06:41:26Z",
+  "openapiCommitSha": "8ca5e35a2df8646fbed1793daeba735ebfcb821b",
+  "automationCommitSha": "4478bcfef1fe50149c65d560b30f1a42e9ecc14f",
+  "libraryCommitSha": "296425916478c4062b8f99f79b75ed0ebc526180"
 }
diff --git a/src/main/java/com/adyen/model/configurationwebhooks/Mandate.java b/src/main/java/com/adyen/model/configurationwebhooks/Mandate.java
index 45b7efe31..03a1c3772 100644
--- a/src/main/java/com/adyen/model/configurationwebhooks/Mandate.java
+++ b/src/main/java/com/adyen/model/configurationwebhooks/Mandate.java
@@ -17,6 +17,7 @@
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.annotation.JsonValue;
 import com.fasterxml.jackson.core.JsonProcessingException;
+import java.time.OffsetDateTime;
 import java.util.*;
 import java.util.Arrays;
 import java.util.logging.Logger;
@@ -40,7 +41,7 @@ public class Mandate {
   private MandateBankAccount counterparty;
 
   public static final String JSON_PROPERTY_CREATED_AT = "createdAt";
-  private Object createdAt;
+  private OffsetDateTime createdAt;
 
   public static final String JSON_PROPERTY_ID = "id";
   private String id;
@@ -137,7 +138,7 @@ public static TypeEnum fromValue(String value) {
   private TypeEnum type;
 
   public static final String JSON_PROPERTY_UPDATED_AT = "updatedAt";
-  private Object updatedAt;
+  private OffsetDateTime updatedAt;
 
   public Mandate() {}
 
@@ -211,35 +212,35 @@ public void setCounterparty(MandateBankAccount counterparty) {
   }
 
   /**
-   * createdAt
+   * The date when the mandate was created.
    *
-   * @param createdAt
+   * @param createdAt The date when the mandate was created.
    * @return the current {@code Mandate} instance, allowing for method chaining
    */
-  public Mandate createdAt(Object createdAt) {
+  public Mandate createdAt(OffsetDateTime createdAt) {
     this.createdAt = createdAt;
     return this;
   }
 
   /**
-   * Get createdAt
+   * The date when the mandate was created.
    *
-   * @return createdAt
+   * @return createdAt The date when the mandate was created.
    */
   @JsonProperty(JSON_PROPERTY_CREATED_AT)
   @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-  public Object getCreatedAt() {
+  public OffsetDateTime getCreatedAt() {
     return createdAt;
   }
 
   /**
-   * createdAt
+   * The date when the mandate was created.
    *
-   * @param createdAt
+   * @param createdAt The date when the mandate was created.
    */
   @JsonProperty(JSON_PROPERTY_CREATED_AT)
   @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-  public void setCreatedAt(Object createdAt) {
+  public void setCreatedAt(OffsetDateTime createdAt) {
     this.createdAt = createdAt;
   }
 
@@ -382,35 +383,35 @@ public void setType(TypeEnum type) {
   }
 
   /**
-   * updatedAt
+   * The date when the mandate was updated.
    *
-   * @param updatedAt
+   * @param updatedAt The date when the mandate was updated.
    * @return the current {@code Mandate} instance, allowing for method chaining
    */
-  public Mandate updatedAt(Object updatedAt) {
+  public Mandate updatedAt(OffsetDateTime updatedAt) {
     this.updatedAt = updatedAt;
     return this;
   }
 
   /**
-   * Get updatedAt
+   * The date when the mandate was updated.
    *
-   * @return updatedAt
+   * @return updatedAt The date when the mandate was updated.
    */
   @JsonProperty(JSON_PROPERTY_UPDATED_AT)
   @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-  public Object getUpdatedAt() {
+  public OffsetDateTime getUpdatedAt() {
     return updatedAt;
   }
 
   /**
-   * updatedAt
+   * The date when the mandate was updated.
    *
-   * @param updatedAt
+   * @param updatedAt The date when the mandate was updated.
    */
   @JsonProperty(JSON_PROPERTY_UPDATED_AT)
   @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
-  public void setUpdatedAt(Object updatedAt) {
+  public void setUpdatedAt(OffsetDateTime updatedAt) {
     this.updatedAt = updatedAt;
   }
 
diff --git a/src/main/java/com/adyen/model/configurationwebhooks/MandateBankAccountAccountIdentification.java b/src/main/java/com/adyen/model/configurationwebhooks/MandateBankAccountAccountIdentification.java
index 4a1ffca1a..bf95a3302 100644
--- a/src/main/java/com/adyen/model/configurationwebhooks/MandateBankAccountAccountIdentification.java
+++ b/src/main/java/com/adyen/model/configurationwebhooks/MandateBankAccountAccountIdentification.java
@@ -152,6 +152,13 @@ public MandateBankAccountAccountIdentification(UKLocalMandateAccountIdentificati
         new GenericType<UKLocalMandateAccountIdentification>() {});
     JSON.registerDescendants(
         MandateBankAccountAccountIdentification.class, Collections.unmodifiableMap(schemas));
+    // Initialize and register the discriminator mappings.
+    Map<String, Class<?>> mappings = new HashMap<>();
+    mappings.put("ukLocal", UKLocalMandateAccountIdentification.class);
+    mappings.put("UKLocalMandateAccountIdentification", UKLocalMandateAccountIdentification.class);
+    mappings.put(
+        "MandateBankAccount_accountIdentification", MandateBankAccountAccountIdentification.class);
+    JSON.registerDiscriminator(MandateBankAccountAccountIdentification.class, "type", mappings);
   }
 
   @Override
diff --git a/src/main/java/com/adyen/model/configurationwebhooks/PaymentInstrumentAdditionalBankAccountIdentificationsInner.java b/src/main/java/com/adyen/model/configurationwebhooks/PaymentInstrumentAdditionalBankAccountIdentificationsInner.java
index c157a56b3..f97c3213d 100644
--- a/src/main/java/com/adyen/model/configurationwebhooks/PaymentInstrumentAdditionalBankAccountIdentificationsInner.java
+++ b/src/main/java/com/adyen/model/configurationwebhooks/PaymentInstrumentAdditionalBankAccountIdentificationsInner.java
@@ -151,6 +151,15 @@ public PaymentInstrumentAdditionalBankAccountIdentificationsInner(IbanAccountIde
     JSON.registerDescendants(
         PaymentInstrumentAdditionalBankAccountIdentificationsInner.class,
         Collections.unmodifiableMap(schemas));
+    // Initialize and register the discriminator mappings.
+    Map<String, Class<?>> mappings = new HashMap<>();
+    mappings.put("iban", IbanAccountIdentification.class);
+    mappings.put("IbanAccountIdentification", IbanAccountIdentification.class);
+    mappings.put(
+        "PaymentInstrument_additionalBankAccountIdentifications_inner",
+        PaymentInstrumentAdditionalBankAccountIdentificationsInner.class);
+    JSON.registerDiscriminator(
+        PaymentInstrumentAdditionalBankAccountIdentificationsInner.class, "type", mappings);
   }
 
   @Override