diff --git a/clirr-ignored-differences.xml b/clirr-ignored-differences.xml
index 2921d7b6..13eef796 100644
--- a/clirr-ignored-differences.xml
+++ b/clirr-ignored-differences.xml
@@ -1,6 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- see http://www.mojohaus.org/clirr-maven-plugin/examples/ignored-differences.html -->
 <differences>
+    <difference>
+        <differenceType>7004</differenceType>
+        <className>com/google/cloud/pubsublite/spark/internal/*</className>
+        <method>*</method>
+    </difference>
     <difference>
         <differenceType>7004</differenceType>
         <className>com/google/cloud/pubsublite/spark/*Reader</className>
@@ -13,16 +18,18 @@
         <to>*</to>
     </difference>
     <difference>
-        <differenceType>8001</differenceType>
-        <className>com/google/cloud/pubsublite/spark/LimitingHeadOffsetReader</className>
+        <differenceType>7005</differenceType>
+        <className>com/google/cloud/pubsublite/spark/*InputPartition</className>
+        <method>*</method>
+        <to>*</to>
     </difference>
     <difference>
         <differenceType>8001</differenceType>
-        <className>com/google/cloud/pubsublite/spark/MultiPartitionCommitter*</className>
+        <className>com/google/cloud/pubsublite/spark/LimitingHeadOffsetReader</className>
     </difference>
     <difference>
         <differenceType>8001</differenceType>
-        <className>com/google/cloud/pubsublite/spark/PartitionSubscriberFactory</className>
+        <className>com/google/cloud/pubsublite/spark/MultiPartitionCommitter*</className>
     </difference>
     <difference>
         <differenceType>8001</differenceType>
diff --git a/pom.xml b/pom.xml
index a857bf85..9c1bfd35 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-pubsublite</artifactId>
-      <version>0.14.2</version>
+      <version>0.15.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
diff --git a/src/main/java/com/google/cloud/pubsublite/spark/PslContinuousInputPartition.java b/src/main/java/com/google/cloud/pubsublite/spark/PslContinuousInputPartition.java
index c65ae80b..00fcc4eb 100644
--- a/src/main/java/com/google/cloud/pubsublite/spark/PslContinuousInputPartition.java
+++ b/src/main/java/com/google/cloud/pubsublite/spark/PslContinuousInputPartition.java
@@ -22,9 +22,7 @@
 import com.google.cloud.pubsublite.cloudpubsub.FlowControlSettings;
 import com.google.cloud.pubsublite.internal.BlockingPullSubscriberImpl;
 import com.google.cloud.pubsublite.internal.CheckedApiException;
-import com.google.cloud.pubsublite.internal.wire.SubscriberFactory;
-import com.google.cloud.pubsublite.proto.Cursor;
-import com.google.cloud.pubsublite.proto.SeekRequest;
+import com.google.cloud.pubsublite.spark.internal.PartitionSubscriberFactory;
 import java.io.Serializable;
 import org.apache.spark.sql.catalyst.InternalRow;
 import org.apache.spark.sql.sources.v2.reader.ContinuousInputPartition;
@@ -34,13 +32,13 @@
 public class PslContinuousInputPartition
     implements ContinuousInputPartition<InternalRow>, Serializable {
 
-  private final SubscriberFactory subscriberFactory;
+  private final PartitionSubscriberFactory subscriberFactory;
   private final SparkPartitionOffset startOffset;
   private final SubscriptionPath subscriptionPath;
   private final FlowControlSettings flowControlSettings;
 
   public PslContinuousInputPartition(
-      SubscriberFactory subscriberFactory,
+      PartitionSubscriberFactory subscriberFactory,
       SparkPartitionOffset startOffset,
       SubscriptionPath subscriptionPath,
       FlowControlSettings flowControlSettings) {
@@ -63,12 +61,10 @@ public InputPartitionReader<InternalRow> createContinuousReader(PartitionOffset
     try {
       subscriber =
           new BlockingPullSubscriberImpl(
-              subscriberFactory,
-              flowControlSettings,
-              SeekRequest.newBuilder()
-                  .setCursor(
-                      Cursor.newBuilder().setOffset(pslPartitionOffset.offset().value()).build())
-                  .build());
+              (consumer) ->
+                  subscriberFactory.newSubscriber(
+                      pslPartitionOffset.partition(), pslPartitionOffset.offset(), consumer),
+              flowControlSettings);
     } catch (CheckedApiException e) {
       throw new IllegalStateException(
           "Unable to create PSL subscriber for " + startOffset.toString(), e);
diff --git a/src/main/java/com/google/cloud/pubsublite/spark/PslContinuousReader.java b/src/main/java/com/google/cloud/pubsublite/spark/PslContinuousReader.java
index d984b174..7f01d789 100644
--- a/src/main/java/com/google/cloud/pubsublite/spark/PslContinuousReader.java
+++ b/src/main/java/com/google/cloud/pubsublite/spark/PslContinuousReader.java
@@ -21,7 +21,6 @@
 import com.google.cloud.pubsublite.SubscriptionPath;
 import com.google.cloud.pubsublite.cloudpubsub.FlowControlSettings;
 import com.google.cloud.pubsublite.internal.CursorClient;
-import com.google.cloud.pubsublite.internal.wire.SubscriberFactory;
 import com.google.cloud.pubsublite.spark.internal.MultiPartitionCommitter;
 import com.google.cloud.pubsublite.spark.internal.PartitionCountReader;
 import com.google.cloud.pubsublite.spark.internal.PartitionSubscriberFactory;
@@ -116,12 +115,9 @@ public StructType readSchema() {
   public List<InputPartition<InternalRow>> planInputPartitions() {
     List<InputPartition<InternalRow>> list = new ArrayList<>();
     for (SparkPartitionOffset offset : startOffset.getPartitionOffsetMap().values()) {
-      PartitionSubscriberFactory partitionSubscriberFactory = this.partitionSubscriberFactory;
-      SubscriberFactory subscriberFactory =
-          (consumer) -> partitionSubscriberFactory.newSubscriber(offset.partition(), consumer);
       list.add(
           new PslContinuousInputPartition(
-              subscriberFactory,
+              partitionSubscriberFactory,
               SparkPartitionOffset.builder()
                   .partition(offset.partition())
                   .offset(offset.offset())
diff --git a/src/main/java/com/google/cloud/pubsublite/spark/PslMicroBatchInputPartition.java b/src/main/java/com/google/cloud/pubsublite/spark/PslMicroBatchInputPartition.java
index 42173680..e2dc8fa8 100644
--- a/src/main/java/com/google/cloud/pubsublite/spark/PslMicroBatchInputPartition.java
+++ b/src/main/java/com/google/cloud/pubsublite/spark/PslMicroBatchInputPartition.java
@@ -21,16 +21,14 @@
 import com.google.cloud.pubsublite.internal.BlockingPullSubscriber;
 import com.google.cloud.pubsublite.internal.BlockingPullSubscriberImpl;
 import com.google.cloud.pubsublite.internal.CheckedApiException;
-import com.google.cloud.pubsublite.internal.wire.SubscriberFactory;
-import com.google.cloud.pubsublite.proto.Cursor;
-import com.google.cloud.pubsublite.proto.SeekRequest;
+import com.google.cloud.pubsublite.spark.internal.PartitionSubscriberFactory;
 import org.apache.spark.sql.catalyst.InternalRow;
 import org.apache.spark.sql.sources.v2.reader.InputPartition;
 import org.apache.spark.sql.sources.v2.reader.InputPartitionReader;
 
 public class PslMicroBatchInputPartition implements InputPartition<InternalRow> {
 
-  private final SubscriberFactory subscriberFactory;
+  private final PartitionSubscriberFactory subscriberFactory;
   private final SparkPartitionOffset startOffset;
   private final SparkPartitionOffset endOffset;
   private final SubscriptionPath subscriptionPath;
@@ -41,7 +39,7 @@ public PslMicroBatchInputPartition(
       FlowControlSettings flowControlSettings,
       SparkPartitionOffset startOffset,
       SparkPartitionOffset endOffset,
-      SubscriberFactory subscriberFactory) {
+      PartitionSubscriberFactory subscriberFactory) {
     this.startOffset = startOffset;
     this.endOffset = endOffset;
     this.subscriptionPath = subscriptionPath;
@@ -53,17 +51,13 @@ public PslMicroBatchInputPartition(
   public InputPartitionReader<InternalRow> createPartitionReader() {
     BlockingPullSubscriber subscriber;
     try {
+      PslPartitionOffset pslStartOffset = PslSparkUtils.toPslPartitionOffset(startOffset);
       subscriber =
           new BlockingPullSubscriberImpl(
-              subscriberFactory,
-              flowControlSettings,
-              SeekRequest.newBuilder()
-                  .setCursor(
-                      Cursor.newBuilder()
-                          .setOffset(
-                              PslSparkUtils.toPslPartitionOffset(startOffset).offset().value())
-                          .build())
-                  .build());
+              (consumer) ->
+                  subscriberFactory.newSubscriber(
+                      pslStartOffset.partition(), pslStartOffset.offset(), consumer),
+              flowControlSettings);
     } catch (CheckedApiException e) {
       throw new IllegalStateException(
           "Unable to create PSL subscriber for " + endOffset.partition(), e);
diff --git a/src/main/java/com/google/cloud/pubsublite/spark/PslMicroBatchReader.java b/src/main/java/com/google/cloud/pubsublite/spark/PslMicroBatchReader.java
index d526526a..10662230 100644
--- a/src/main/java/com/google/cloud/pubsublite/spark/PslMicroBatchReader.java
+++ b/src/main/java/com/google/cloud/pubsublite/spark/PslMicroBatchReader.java
@@ -23,7 +23,6 @@
 import com.google.cloud.pubsublite.SubscriptionPath;
 import com.google.cloud.pubsublite.cloudpubsub.FlowControlSettings;
 import com.google.cloud.pubsublite.internal.CursorClient;
-import com.google.cloud.pubsublite.internal.wire.SubscriberFactory;
 import com.google.cloud.pubsublite.spark.internal.MultiPartitionCommitter;
 import com.google.cloud.pubsublite.spark.internal.PartitionSubscriberFactory;
 import com.google.cloud.pubsublite.spark.internal.PerTopicHeadOffsetReader;
@@ -145,17 +144,13 @@ public List<InputPartition<InternalRow>> planInputPartitions() {
         // There is no message to pull for this partition.
         continue;
       }
-      PartitionSubscriberFactory partitionSubscriberFactory = this.partitionSubscriberFactory;
-      SubscriberFactory subscriberFactory =
-          (consumer) ->
-              partitionSubscriberFactory.newSubscriber(endPartitionOffset.partition(), consumer);
       list.add(
           new PslMicroBatchInputPartition(
               subscriptionPath,
               flowControlSettings,
               startPartitionOffset,
               endPartitionOffset,
-              subscriberFactory));
+              partitionSubscriberFactory));
     }
     return list;
   }
diff --git a/src/main/java/com/google/cloud/pubsublite/spark/PslReadDataSourceOptions.java b/src/main/java/com/google/cloud/pubsublite/spark/PslReadDataSourceOptions.java
index f5987788..aaca0ccb 100644
--- a/src/main/java/com/google/cloud/pubsublite/spark/PslReadDataSourceOptions.java
+++ b/src/main/java/com/google/cloud/pubsublite/spark/PslReadDataSourceOptions.java
@@ -33,6 +33,8 @@
 import com.google.cloud.pubsublite.internal.wire.RoutingMetadata;
 import com.google.cloud.pubsublite.internal.wire.ServiceClients;
 import com.google.cloud.pubsublite.internal.wire.SubscriberBuilder;
+import com.google.cloud.pubsublite.proto.Cursor;
+import com.google.cloud.pubsublite.proto.SeekRequest;
 import com.google.cloud.pubsublite.spark.internal.MultiPartitionCommitter;
 import com.google.cloud.pubsublite.spark.internal.MultiPartitionCommitterImpl;
 import com.google.cloud.pubsublite.spark.internal.PartitionSubscriberFactory;
@@ -135,7 +137,7 @@ MultiPartitionCommitter newMultiPartitionCommitter(long topicPartitionCount) {
   }
 
   PartitionSubscriberFactory getSubscriberFactory() {
-    return (partition, consumer) -> {
+    return (partition, offset, consumer) -> {
       PubsubContext context = PubsubContext.of(Constants.FRAMEWORK);
       SubscriberServiceSettings.Builder settingsBuilder =
           SubscriberServiceSettings.newBuilder()
@@ -151,6 +153,10 @@ PartitionSubscriberFactory getSubscriberFactory() {
             .setPartition(partition)
             .setServiceClient(serviceClient)
             .setMessageConsumer(consumer)
+            .setInitialLocation(
+                SeekRequest.newBuilder()
+                    .setCursor(Cursor.newBuilder().setOffset(offset.value()))
+                    .build())
             .build();
       } catch (IOException e) {
         throw new IllegalStateException("Failed to create subscriber service.", e);
diff --git a/src/main/java/com/google/cloud/pubsublite/spark/internal/PartitionSubscriberFactory.java b/src/main/java/com/google/cloud/pubsublite/spark/internal/PartitionSubscriberFactory.java
index d7a16257..8ef57d3b 100644
--- a/src/main/java/com/google/cloud/pubsublite/spark/internal/PartitionSubscriberFactory.java
+++ b/src/main/java/com/google/cloud/pubsublite/spark/internal/PartitionSubscriberFactory.java
@@ -17,6 +17,7 @@
 package com.google.cloud.pubsublite.spark.internal;
 
 import com.google.api.gax.rpc.ApiException;
+import com.google.cloud.pubsublite.Offset;
 import com.google.cloud.pubsublite.Partition;
 import com.google.cloud.pubsublite.SequencedMessage;
 import com.google.cloud.pubsublite.internal.wire.Subscriber;
@@ -26,6 +27,8 @@
 
 public interface PartitionSubscriberFactory extends Serializable {
   Subscriber newSubscriber(
-      Partition partition, Consumer<ImmutableList<SequencedMessage>> message_consumer)
+      Partition partition,
+      Offset offset,
+      Consumer<ImmutableList<SequencedMessage>> message_consumer)
       throws ApiException;
 }