diff --git a/clients/google-api-services-bigqueryreservation/v1/2.0.0/README.md b/clients/google-api-services-bigqueryreservation/v1/2.0.0/README.md
index 3278ce74696..1bb91e7bc66 100644
--- a/clients/google-api-services-bigqueryreservation/v1/2.0.0/README.md
+++ b/clients/google-api-services-bigqueryreservation/v1/2.0.0/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-bigqueryreservation</artifactId>
-      <version>v1-rev20260812-2.0.0</version>
+      <version>v1-rev20260819-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-bigqueryreservation:v1-rev20260812-2.0.0'
+  implementation 'com.google.apis:google-api-services-bigqueryreservation:v1-rev20260819-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-bigqueryreservation/v1/2.0.0/com/google/api/services/bigqueryreservation/v1/model/Assignment.java b/clients/google-api-services-bigqueryreservation/v1/2.0.0/com/google/api/services/bigqueryreservation/v1/model/Assignment.java
index aeeea02418f..b4f0a91a66c 100644
--- a/clients/google-api-services-bigqueryreservation/v1/2.0.0/com/google/api/services/bigqueryreservation/v1/model/Assignment.java
+++ b/clients/google-api-services-bigqueryreservation/v1/2.0.0/com/google/api/services/bigqueryreservation/v1/model/Assignment.java
@@ -39,6 +39,15 @@ public final class Assignment extends com.google.api.client.json.GenericJson {
   @com.google.api.client.util.Key
   private java.lang.String assignee;
 
+  /**
+   * Optional. Common Expression Language (CEL) condition that defines the matching criteria for
+   * this assignment. The condition must resolve to a boolean value. Supported variables will be
+   * added later.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private Expr condition;
+
   /**
    * Optional. Deprecated: "Gemini in BigQuery" is now available by default for all BigQuery
    * editions and should not be explicitly set. Controls if "Gemini in BigQuery"
@@ -66,6 +75,17 @@ public final class Assignment extends com.google.api.client.json.GenericJson {
   @com.google.api.client.util.Key
   private java.lang.String name;
 
+  /**
+   * Optional. Specifies the priority precedence for this assignment. Used to resolve ambiguity when
+   * multiple assignments match a single job. Higher numerical values represent higher priority
+   * (e.g., 20 is higher than 10). If unspecified, it defaults to 0. Multiple assignments can share
+   * the same precedence, but it is recommended to use unique precedence values for assignments
+   * within the same assignee scope.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key @com.google.api.client.json.JsonString
+  private java.lang.Long precedence;
+
   /**
    * Optional. Represents the principal for this assignment. If not empty, jobs run by this
    * principal will utilize the associated reservation. Otherwise, jobs will fall back to using the
@@ -118,6 +138,27 @@ public Assignment setAssignee(java.lang.String assignee) {
     return this;
   }
 
+  /**
+   * Optional. Common Expression Language (CEL) condition that defines the matching criteria for
+   * this assignment. The condition must resolve to a boolean value. Supported variables will be
+   * added later.
+   * @return value or {@code null} for none
+   */
+  public Expr getCondition() {
+    return condition;
+  }
+
+  /**
+   * Optional. Common Expression Language (CEL) condition that defines the matching criteria for
+   * this assignment. The condition must resolve to a boolean value. Supported variables will be
+   * added later.
+   * @param condition condition or {@code null} for none
+   */
+  public Assignment setCondition(Expr condition) {
+    this.condition = condition;
+    return this;
+  }
+
   /**
    * Optional. Deprecated: "Gemini in BigQuery" is now available by default for all BigQuery
    * editions and should not be explicitly set. Controls if "Gemini in BigQuery"
@@ -181,6 +222,31 @@ public Assignment setName(java.lang.String name) {
     return this;
   }
 
+  /**
+   * Optional. Specifies the priority precedence for this assignment. Used to resolve ambiguity when
+   * multiple assignments match a single job. Higher numerical values represent higher priority
+   * (e.g., 20 is higher than 10). If unspecified, it defaults to 0. Multiple assignments can share
+   * the same precedence, but it is recommended to use unique precedence values for assignments
+   * within the same assignee scope.
+   * @return value or {@code null} for none
+   */
+  public java.lang.Long getPrecedence() {
+    return precedence;
+  }
+
+  /**
+   * Optional. Specifies the priority precedence for this assignment. Used to resolve ambiguity when
+   * multiple assignments match a single job. Higher numerical values represent higher priority
+   * (e.g., 20 is higher than 10). If unspecified, it defaults to 0. Multiple assignments can share
+   * the same precedence, but it is recommended to use unique precedence values for assignments
+   * within the same assignee scope.
+   * @param precedence precedence or {@code null} for none
+   */
+  public Assignment setPrecedence(java.lang.Long precedence) {
+    this.precedence = precedence;
+    return this;
+  }
+
   /**
    * Optional. Represents the principal for this assignment. If not empty, jobs run by this
    * principal will utilize the associated reservation. Otherwise, jobs will fall back to using the
diff --git a/clients/google-api-services-bigqueryreservation/v1/2.0.0/com/google/api/services/bigqueryreservation/v1/model/ReservationGroup.java b/clients/google-api-services-bigqueryreservation/v1/2.0.0/com/google/api/services/bigqueryreservation/v1/model/ReservationGroup.java
index 11372d26c6c..399d5893ac3 100644
--- a/clients/google-api-services-bigqueryreservation/v1/2.0.0/com/google/api/services/bigqueryreservation/v1/model/ReservationGroup.java
+++ b/clients/google-api-services-bigqueryreservation/v1/2.0.0/com/google/api/services/bigqueryreservation/v1/model/ReservationGroup.java
@@ -30,6 +30,13 @@
 @SuppressWarnings("javadoc")
 public final class ReservationGroup extends com.google.api.client.json.GenericJson {
 
+  /**
+   * Output only. Creation time of the reservation group.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private String creationTime;
+
   /**
    * Identifier. The resource name of the reservation group, e.g.,
    * `projects/locations/reservationGroups/team1-prod`. The reservation_group_id must only contain
@@ -49,6 +56,32 @@ public final class ReservationGroup extends com.google.api.client.json.GenericJs
   @com.google.api.client.util.Key
   private java.lang.String parentGroup;
 
+  /**
+   * Output only. Last update time of the reservation group via a user operation. This timestamp is
+   * updated only when an update operation explicitly targets this reservation group directly. It is
+   * not updated when parent or child groups are created, updated, or deleted.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private String updateTime;
+
+  /**
+   * Output only. Creation time of the reservation group.
+   * @return value or {@code null} for none
+   */
+  public String getCreationTime() {
+    return creationTime;
+  }
+
+  /**
+   * Output only. Creation time of the reservation group.
+   * @param creationTime creationTime or {@code null} for none
+   */
+  public ReservationGroup setCreationTime(String creationTime) {
+    this.creationTime = creationTime;
+    return this;
+  }
+
   /**
    * Identifier. The resource name of the reservation group, e.g.,
    * `projects/locations/reservationGroups/team1-prod`. The reservation_group_id must only contain
@@ -93,6 +126,27 @@ public ReservationGroup setParentGroup(java.lang.String parentGroup) {
     return this;
   }
 
+  /**
+   * Output only. Last update time of the reservation group via a user operation. This timestamp is
+   * updated only when an update operation explicitly targets this reservation group directly. It is
+   * not updated when parent or child groups are created, updated, or deleted.
+   * @return value or {@code null} for none
+   */
+  public String getUpdateTime() {
+    return updateTime;
+  }
+
+  /**
+   * Output only. Last update time of the reservation group via a user operation. This timestamp is
+   * updated only when an update operation explicitly targets this reservation group directly. It is
+   * not updated when parent or child groups are created, updated, or deleted.
+   * @param updateTime updateTime or {@code null} for none
+   */
+  public ReservationGroup setUpdateTime(String updateTime) {
+    this.updateTime = updateTime;
+    return this;
+  }
+
   @Override
   public ReservationGroup set(String fieldName, Object value) {
     return (ReservationGroup) super.set(fieldName, value);
diff --git a/clients/google-api-services-bigqueryreservation/v1/2.0.0/pom.xml b/clients/google-api-services-bigqueryreservation/v1/2.0.0/pom.xml
index 5504a3807d1..388aba0fe76 100644
--- a/clients/google-api-services-bigqueryreservation/v1/2.0.0/pom.xml
+++ b/clients/google-api-services-bigqueryreservation/v1/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-bigqueryreservation</artifactId>
-  <version>v1-rev20260812-2.0.0</version>
-  <name>BigQuery Reservation API v1-rev20260812-2.0.0</name>
+  <version>v1-rev20260819-2.0.0</version>
+  <name>BigQuery Reservation API v1-rev20260819-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-bigqueryreservation/v1/README.md b/clients/google-api-services-bigqueryreservation/v1/README.md
index 3278ce74696..1bb91e7bc66 100644
--- a/clients/google-api-services-bigqueryreservation/v1/README.md
+++ b/clients/google-api-services-bigqueryreservation/v1/README.md
@@ -22,7 +22,7 @@ Add the following lines to your `pom.xml` file:
     <dependency>
       <groupId>com.google.apis</groupId>
       <artifactId>google-api-services-bigqueryreservation</artifactId>
-      <version>v1-rev20260812-2.0.0</version>
+      <version>v1-rev20260819-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-bigqueryreservation:v1-rev20260812-2.0.0'
+  implementation 'com.google.apis:google-api-services-bigqueryreservation:v1-rev20260819-2.0.0'
 }
 ```