diff --git a/generation_config.yaml b/generation_config.yaml
index c42e46ee3..184387536 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,6 +1,6 @@
-gapic_generator_version: 2.49.0
-googleapis_commitish: 8c534a5c3afe69eeca1b9d4c8415d6d1952aa5ce
-libraries_bom_version: 26.49.0
+gapic_generator_version: 2.50.0
+googleapis_commitish: c6eb517e76204c0cd71ab298c165eebbf12682eb
+libraries_bom_version: 26.50.0
 libraries:
   - api_shortname: pubsublite
     name_pretty: Cloud Pub/Sub Lite
diff --git a/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/AdminServiceSettings.java b/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/AdminServiceSettings.java
index 118c2c706..e77f537bb 100644
--- a/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/AdminServiceSettings.java
+++ b/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/AdminServiceSettings.java
@@ -135,7 +135,7 @@
  *         RetrySettings.newBuilder()
  *             .setInitialRetryDelayDuration(Duration.ofMillis(500))
  *             .setRetryDelayMultiplier(1.5)
- *             .setMaxRetryDelay(Duration.ofMillis(5000))
+ *             .setMaxRetryDelayDuration(Duration.ofMillis(5000))
  *             .setTotalTimeoutDuration(Duration.ofHours(24))
  *             .build());
  * adminServiceSettingsBuilder
diff --git a/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/AdminServiceStubSettings.java b/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/AdminServiceStubSettings.java
index fe8b6a940..21bb4188d 100644
--- a/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/AdminServiceStubSettings.java
+++ b/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/AdminServiceStubSettings.java
@@ -85,9 +85,9 @@
 import com.google.longrunning.Operation;
 import com.google.protobuf.Empty;
 import java.io.IOException;
+import java.time.Duration;
 import java.util.List;
 import javax.annotation.Generated;
-import org.threeten.bp.Duration;
 
 // AUTO-GENERATED DOCUMENTATION AND CLASS.
 /**
@@ -156,7 +156,7 @@
  *         RetrySettings.newBuilder()
  *             .setInitialRetryDelayDuration(Duration.ofMillis(500))
  *             .setRetryDelayMultiplier(1.5)
- *             .setMaxRetryDelay(Duration.ofMillis(5000))
+ *             .setMaxRetryDelayDuration(Duration.ofMillis(5000))
  *             .setTotalTimeoutDuration(Duration.ofHours(24))
  *             .build());
  * adminServiceSettingsBuilder
@@ -794,13 +794,13 @@ public static class Builder extends StubSettings.Builder<AdminServiceStubSetting
       RetrySettings settings = null;
       settings =
           RetrySettings.newBuilder()
-              .setInitialRetryDelay(Duration.ofMillis(100L))
+              .setInitialRetryDelayDuration(Duration.ofMillis(100L))
               .setRetryDelayMultiplier(1.3)
-              .setMaxRetryDelay(Duration.ofMillis(60000L))
-              .setInitialRpcTimeout(Duration.ofMillis(600000L))
+              .setMaxRetryDelayDuration(Duration.ofMillis(60000L))
+              .setInitialRpcTimeoutDuration(Duration.ofMillis(600000L))
               .setRpcTimeoutMultiplier(1.0)
-              .setMaxRpcTimeout(Duration.ofMillis(600000L))
-              .setTotalTimeout(Duration.ofMillis(600000L))
+              .setMaxRpcTimeoutDuration(Duration.ofMillis(600000L))
+              .setTotalTimeoutDuration(Duration.ofMillis(600000L))
               .build();
       definitions.put("retry_policy_0_params", settings);
       RETRY_PARAM_DEFINITIONS = definitions.build();
@@ -1030,13 +1030,13 @@ private static Builder initDefaults(Builder builder) {
           .setPollingAlgorithm(
               OperationTimedPollAlgorithm.create(
                   RetrySettings.newBuilder()
-                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setInitialRetryDelayDuration(Duration.ofMillis(5000L))
                       .setRetryDelayMultiplier(1.5)
-                      .setMaxRetryDelay(Duration.ofMillis(45000L))
-                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setMaxRetryDelayDuration(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeoutDuration(Duration.ZERO)
                       .setRpcTimeoutMultiplier(1.0)
-                      .setMaxRpcTimeout(Duration.ZERO)
-                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .setMaxRpcTimeoutDuration(Duration.ZERO)
+                      .setTotalTimeoutDuration(Duration.ofMillis(300000L))
                       .build()));
 
       return builder;
diff --git a/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/CursorServiceStubSettings.java b/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/CursorServiceStubSettings.java
index f569a8e71..f2b3c7520 100644
--- a/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/CursorServiceStubSettings.java
+++ b/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/CursorServiceStubSettings.java
@@ -53,9 +53,9 @@
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
 import java.io.IOException;
+import java.time.Duration;
 import java.util.List;
 import javax.annotation.Generated;
-import org.threeten.bp.Duration;
 
 // AUTO-GENERATED DOCUMENTATION AND CLASS.
 /**
@@ -332,13 +332,13 @@ public static class Builder extends StubSettings.Builder<CursorServiceStubSettin
       definitions.put("no_retry_params", settings);
       settings =
           RetrySettings.newBuilder()
-              .setInitialRetryDelay(Duration.ofMillis(100L))
+              .setInitialRetryDelayDuration(Duration.ofMillis(100L))
               .setRetryDelayMultiplier(1.3)
-              .setMaxRetryDelay(Duration.ofMillis(60000L))
-              .setInitialRpcTimeout(Duration.ofMillis(600000L))
+              .setMaxRetryDelayDuration(Duration.ofMillis(60000L))
+              .setInitialRpcTimeoutDuration(Duration.ofMillis(600000L))
               .setRpcTimeoutMultiplier(1.0)
-              .setMaxRpcTimeout(Duration.ofMillis(600000L))
-              .setTotalTimeout(Duration.ofMillis(600000L))
+              .setMaxRpcTimeoutDuration(Duration.ofMillis(600000L))
+              .setTotalTimeoutDuration(Duration.ofMillis(600000L))
               .build();
       definitions.put("retry_policy_0_params", settings);
       RETRY_PARAM_DEFINITIONS = definitions.build();
diff --git a/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/TopicStatsServiceStubSettings.java b/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/TopicStatsServiceStubSettings.java
index f0630bc15..bd1d2013a 100644
--- a/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/TopicStatsServiceStubSettings.java
+++ b/google-cloud-pubsublite/src/main/java/com/google/cloud/pubsublite/v1/stub/TopicStatsServiceStubSettings.java
@@ -42,9 +42,9 @@
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
 import java.io.IOException;
+import java.time.Duration;
 import java.util.List;
 import javax.annotation.Generated;
-import org.threeten.bp.Duration;
 
 // AUTO-GENERATED DOCUMENTATION AND CLASS.
 /**
@@ -248,13 +248,13 @@ public static class Builder extends StubSettings.Builder<TopicStatsServiceStubSe
       RetrySettings settings = null;
       settings =
           RetrySettings.newBuilder()
-              .setInitialRetryDelay(Duration.ofMillis(100L))
+              .setInitialRetryDelayDuration(Duration.ofMillis(100L))
               .setRetryDelayMultiplier(1.3)
-              .setMaxRetryDelay(Duration.ofMillis(60000L))
-              .setInitialRpcTimeout(Duration.ofMillis(600000L))
+              .setMaxRetryDelayDuration(Duration.ofMillis(60000L))
+              .setInitialRpcTimeoutDuration(Duration.ofMillis(600000L))
               .setRpcTimeoutMultiplier(1.0)
-              .setMaxRpcTimeout(Duration.ofMillis(600000L))
-              .setTotalTimeout(Duration.ofMillis(600000L))
+              .setMaxRpcTimeoutDuration(Duration.ofMillis(600000L))
+              .setTotalTimeoutDuration(Duration.ofMillis(600000L))
               .build();
       definitions.put("retry_policy_0_params", settings);
       RETRY_PARAM_DEFINITIONS = definitions.build();
diff --git a/samples/snippets/generated/com/google/cloud/pubsublite/v1/adminservicesettings/seeksubscription/SyncSeekSubscription.java b/samples/snippets/generated/com/google/cloud/pubsublite/v1/adminservicesettings/seeksubscription/SyncSeekSubscription.java
index 4e7cfa332..ed2b0ed56 100644
--- a/samples/snippets/generated/com/google/cloud/pubsublite/v1/adminservicesettings/seeksubscription/SyncSeekSubscription.java
+++ b/samples/snippets/generated/com/google/cloud/pubsublite/v1/adminservicesettings/seeksubscription/SyncSeekSubscription.java
@@ -41,7 +41,7 @@ public static void syncSeekSubscription() throws Exception {
             RetrySettings.newBuilder()
                 .setInitialRetryDelayDuration(Duration.ofMillis(500))
                 .setRetryDelayMultiplier(1.5)
-                .setMaxRetryDelay(Duration.ofMillis(5000))
+                .setMaxRetryDelayDuration(Duration.ofMillis(5000))
                 .setTotalTimeoutDuration(Duration.ofHours(24))
                 .build());
     adminServiceSettingsBuilder
diff --git a/samples/snippets/generated/com/google/cloud/pubsublite/v1/stub/adminservicestubsettings/seeksubscription/SyncSeekSubscription.java b/samples/snippets/generated/com/google/cloud/pubsublite/v1/stub/adminservicestubsettings/seeksubscription/SyncSeekSubscription.java
index c82938e1b..c770ee5d7 100644
--- a/samples/snippets/generated/com/google/cloud/pubsublite/v1/stub/adminservicestubsettings/seeksubscription/SyncSeekSubscription.java
+++ b/samples/snippets/generated/com/google/cloud/pubsublite/v1/stub/adminservicestubsettings/seeksubscription/SyncSeekSubscription.java
@@ -42,7 +42,7 @@ public static void syncSeekSubscription() throws Exception {
             RetrySettings.newBuilder()
                 .setInitialRetryDelayDuration(Duration.ofMillis(500))
                 .setRetryDelayMultiplier(1.5)
-                .setMaxRetryDelay(Duration.ofMillis(5000))
+                .setMaxRetryDelayDuration(Duration.ofMillis(5000))
                 .setTotalTimeoutDuration(Duration.ofHours(24))
                 .build());
     adminServiceSettingsBuilder