diff --git a/clients/google-api-services-datalineage/v1/2.0.0/README.md b/clients/google-api-services-datalineage/v1/2.0.0/README.md
index c1d9de4cb05..a0511fc4a19 100644
--- a/clients/google-api-services-datalineage/v1/2.0.0/README.md
+++ b/clients/google-api-services-datalineage/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-datalineage</artifactId>
-      <version>v1-rev20260912-2.0.0</version>
+      <version>v1-rev20261009-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-datalineage:v1-rev20260912-2.0.0'
+  implementation 'com.google.apis:google-api-services-datalineage:v1-rev20261009-2.0.0'
 }
 ```
 
diff --git a/clients/google-api-services-datalineage/v1/2.0.0/com/google/api/services/datalineage/v1/model/GoogleCloudDatacatalogLineageV1SearchLineageStreamingRequestSearchFilters.java b/clients/google-api-services-datalineage/v1/2.0.0/com/google/api/services/datalineage/v1/model/GoogleCloudDatacatalogLineageV1SearchLineageStreamingRequestSearchFilters.java
index f07deebeb67..08feb4c0089 100644
--- a/clients/google-api-services-datalineage/v1/2.0.0/com/google/api/services/datalineage/v1/model/GoogleCloudDatacatalogLineageV1SearchLineageStreamingRequestSearchFilters.java
+++ b/clients/google-api-services-datalineage/v1/2.0.0/com/google/api/services/datalineage/v1/model/GoogleCloudDatacatalogLineageV1SearchLineageStreamingRequestSearchFilters.java
@@ -44,6 +44,15 @@ public final class GoogleCloudDatacatalogLineageV1SearchLineageStreamingRequestS
   @com.google.api.client.util.Key
   private java.lang.String entitySet;
 
+  /**
+   * Optional. Projects to restrict lineage links to. Callers can provide project IDs (for example,
+   * `projects/my-project`) or project numbers (for example, `projects/123456789`). If unspecified,
+   * lineage is returned from all projects.
+   * The value may be {@code null}.
+   */
+  @com.google.api.client.util.Key
+  private java.util.List<java.lang.String> projects;
+
   /**
    * Optional. Time interval to search for lineage. If unspecified, all lineage is returned.
    * Currently, at most one of `start_time` and `end_time` can be set.
@@ -88,6 +97,27 @@ public GoogleCloudDatacatalogLineageV1SearchLineageStreamingRequestSearchFilters
     return this;
   }
 
+  /**
+   * Optional. Projects to restrict lineage links to. Callers can provide project IDs (for example,
+   * `projects/my-project`) or project numbers (for example, `projects/123456789`). If unspecified,
+   * lineage is returned from all projects.
+   * @return value or {@code null} for none
+   */
+  public java.util.List<java.lang.String> getProjects() {
+    return projects;
+  }
+
+  /**
+   * Optional. Projects to restrict lineage links to. Callers can provide project IDs (for example,
+   * `projects/my-project`) or project numbers (for example, `projects/123456789`). If unspecified,
+   * lineage is returned from all projects.
+   * @param projects projects or {@code null} for none
+   */
+  public GoogleCloudDatacatalogLineageV1SearchLineageStreamingRequestSearchFilters setProjects(java.util.List<java.lang.String> projects) {
+    this.projects = projects;
+    return this;
+  }
+
   /**
    * Optional. Time interval to search for lineage. If unspecified, all lineage is returned.
    * Currently, at most one of `start_time` and `end_time` can be set.
diff --git a/clients/google-api-services-datalineage/v1/2.0.0/pom.xml b/clients/google-api-services-datalineage/v1/2.0.0/pom.xml
index d3be320b75b..158dd579370 100644
--- a/clients/google-api-services-datalineage/v1/2.0.0/pom.xml
+++ b/clients/google-api-services-datalineage/v1/2.0.0/pom.xml
@@ -8,8 +8,8 @@
 
   <groupId>com.google.apis</groupId>
   <artifactId>google-api-services-datalineage</artifactId>
-  <version>v1-rev20260912-2.0.0</version>
-  <name>Data Lineage API v1-rev20260912-2.0.0</name>
+  <version>v1-rev20261009-2.0.0</version>
+  <name>Data Lineage API v1-rev20261009-2.0.0</name>
   <packaging>jar</packaging>
 
   <inceptionYear>2011</inceptionYear>
diff --git a/clients/google-api-services-datalineage/v1/README.md b/clients/google-api-services-datalineage/v1/README.md
index c1d9de4cb05..a0511fc4a19 100644
--- a/clients/google-api-services-datalineage/v1/README.md
+++ b/clients/google-api-services-datalineage/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-datalineage</artifactId>
-      <version>v1-rev20260912-2.0.0</version>
+      <version>v1-rev20261009-2.0.0</version>
     </dependency>
   </dependencies>
 </project>
@@ -35,7 +35,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation 'com.google.apis:google-api-services-datalineage:v1-rev20260912-2.0.0'
+  implementation 'com.google.apis:google-api-services-datalineage:v1-rev20261009-2.0.0'
 }
 ```