diff --git a/kafka-client/src/main/external-protos/rs3 b/kafka-client/src/main/external-protos/rs3
index da6498b98..fb2d8f80c 160000
--- a/kafka-client/src/main/external-protos/rs3
+++ b/kafka-client/src/main/external-protos/rs3
@@ -1 +1 @@
-Subproject commit da6498b9847edec32c0890fdbb0db9ed709abc81
+Subproject commit fb2d8f80c9a976f7999a131a75c74d9b82bdcc4c
diff --git a/kafka-client/src/main/java/dev/responsive/kafka/internal/db/rs3/client/grpc/GrpcRS3Client.java b/kafka-client/src/main/java/dev/responsive/kafka/internal/db/rs3/client/grpc/GrpcRS3Client.java
index 223732b2c..c0eb12e19 100644
--- a/kafka-client/src/main/java/dev/responsive/kafka/internal/db/rs3/client/grpc/GrpcRS3Client.java
+++ b/kafka-client/src/main/java/dev/responsive/kafka/internal/db/rs3/client/grpc/GrpcRS3Client.java
@@ -260,7 +260,7 @@ private <K extends Comparable<K>> KeyValueIterator<K, byte[]> sendRange(
         .setStoreId(uuidToProto(storeId))
         .setLssId(lssIdProto(lssId))
         .setPssId(pssId)
-        .setExpectedWrittenOffset(walOffsetProto(expectedWrittenOffset));
+        .setExpectedMinWrittenOffset(walOffsetProto(expectedWrittenOffset));
     final Supplier<String> rangeDescription =
         () -> "Range(storeId=" + storeId + ", lssId=" + lssId + ", pssId=" + pssId + ")";
     final var asyncStub = stubs.stubs(storeId, pssId).asyncStub();
@@ -335,7 +335,7 @@ private Optional<Rs3.KeyValue> sendGet(
     requestBuilder.setStoreId(uuidToProto(storeId))
         .setLssId(lssIdProto(lssId))
         .setPssId(pssId)
-        .setExpectedWrittenOffset(walOffsetProto(expectedWrittenOffset));
+        .setExpectedMinWrittenOffset(walOffsetProto(expectedWrittenOffset));
 
     final var request = requestBuilder.build();
     final RS3Grpc.RS3BlockingStub stub = stubs.stubs(storeId, pssId).syncStub();
diff --git a/kafka-client/src/test/java/dev/responsive/kafka/internal/db/rs3/client/grpc/GrpcRS3ClientTest.java b/kafka-client/src/test/java/dev/responsive/kafka/internal/db/rs3/client/grpc/GrpcRS3ClientTest.java
index a7ba9bfdd..a021fd07c 100644
--- a/kafka-client/src/test/java/dev/responsive/kafka/internal/db/rs3/client/grpc/GrpcRS3ClientTest.java
+++ b/kafka-client/src/test/java/dev/responsive/kafka/internal/db/rs3/client/grpc/GrpcRS3ClientTest.java
@@ -666,7 +666,7 @@ public void shouldGetWithExpectedWrittenOffset() {
         .setLssId(lssIdProto(LSS_ID))
         .setPssId(PSS_ID)
         .setStoreId(uuidToProto(STORE_ID))
-        .setExpectedWrittenOffset(GrpcRs3Util.walOffsetProto(123L))
+        .setExpectedMinWrittenOffset(GrpcRs3Util.walOffsetProto(123L))
         .setKey(Rs3.Key.newBuilder().setBasicKey(
             GrpcRs3Util.basicKeyProto("foo".getBytes(StandardCharsets.UTF_8))
         ))
@@ -706,7 +706,7 @@ public void shouldGet() {
         .setKey(Rs3.Key.newBuilder().setBasicKey(
             GrpcRs3Util.basicKeyProto("foo".getBytes(StandardCharsets.UTF_8))
         ))
-        .setExpectedWrittenOffset(GrpcRs3Util.UNWRITTEN_WAL_OFFSET)
+        .setExpectedMinWrittenOffset(GrpcRs3Util.UNWRITTEN_WAL_OFFSET)
         .build()
     );
   }
@@ -825,7 +825,7 @@ public void shouldWindowedGet() {
     verify(stub).get(Rs3.GetRequest.newBuilder()
                          .setLssId(lssIdProto(LSS_ID))
                          .setPssId(PSS_ID)
-                         .setExpectedWrittenOffset(GrpcRs3Util.UNWRITTEN_WAL_OFFSET)
+                         .setExpectedMinWrittenOffset(GrpcRs3Util.UNWRITTEN_WAL_OFFSET)
                          .setStoreId(uuidToProto(STORE_ID))
                          .setKey(Rs3.Key.newBuilder().setWindowKey(keyProto))
                          .build()
@@ -866,7 +866,7 @@ public void shouldRetryWindowedGet() {
         .get(Rs3.GetRequest.newBuilder()
                  .setLssId(lssIdProto(LSS_ID))
                  .setPssId(PSS_ID)
-                 .setExpectedWrittenOffset(GrpcRs3Util.UNWRITTEN_WAL_OFFSET)
+                 .setExpectedMinWrittenOffset(GrpcRs3Util.UNWRITTEN_WAL_OFFSET)
                  .setStoreId(uuidToProto(STORE_ID))
                  .setKey(Rs3.Key.newBuilder().setWindowKey(keyProto))
                  .build()
diff --git a/kafka-client/src/test/java/dev/responsive/kafka/internal/db/rs3/client/grpc/TestGrpcRs3Service.java b/kafka-client/src/test/java/dev/responsive/kafka/internal/db/rs3/client/grpc/TestGrpcRs3Service.java
index 5404eee46..fe724bc99 100644
--- a/kafka-client/src/test/java/dev/responsive/kafka/internal/db/rs3/client/grpc/TestGrpcRs3Service.java
+++ b/kafka-client/src/test/java/dev/responsive/kafka/internal/db/rs3/client/grpc/TestGrpcRs3Service.java
@@ -83,8 +83,8 @@ public void get(
       return;
     }
 
-    if (req.getExpectedWrittenOffset().getIsWritten()) {
-      if (offset.get() < req.getExpectedWrittenOffset().getOffset()) {
+    if (req.getExpectedMinWrittenOffset().getIsWritten()) {
+      if (offset.get() < req.getExpectedMinWrittenOffset().getOffset()) {
         responseObserver.onError(new StatusRuntimeException(Status.INVALID_ARGUMENT));
         return;
       }
@@ -113,8 +113,8 @@ public void range(
       return;
     }
 
-    if (req.getExpectedWrittenOffset().getIsWritten()) {
-      if (offset.get() < req.getExpectedWrittenOffset().getOffset()) {
+    if (req.getExpectedMinWrittenOffset().getIsWritten()) {
+      if (offset.get() < req.getExpectedMinWrittenOffset().getOffset()) {
         responseObserver.onError(new StatusRuntimeException(Status.INVALID_ARGUMENT));
         return;
       }