diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 1fa7afb20..2f68432ba 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -26,9 +26,9 @@ env:
   WEAVIATE_132: 1.32.23
   WEAVIATE_133: 1.33.10
   WEAVIATE_134: 1.34.5
-  WEAVIATE_135: 1.35.0
-  WEAVIATE_136: 1.36.0
-  WEAVIATE_137: 1.37.0-dev-29d5c87.amd64
+  WEAVIATE_135: 1.35.16-efdedfa
+  WEAVIATE_136: 1.36.9-d905e6c
+  WEAVIATE_137: 1.37.0-rc.0-b313954.amd64
 
 
 jobs:
@@ -310,7 +310,7 @@ jobs:
           $WEAVIATE_133,
           $WEAVIATE_134,
           $WEAVIATE_135,
-          $WEAVIATE_136
+          $WEAVIATE_136,
           $WEAVIATE_137
         ]
     steps:
diff --git a/integration/test_backup_v4.py b/integration/test_backup_v4.py
index 1204a1269..6da10bc7c 100644
--- a/integration/test_backup_v4.py
+++ b/integration/test_backup_v4.py
@@ -764,7 +764,7 @@ def test_incremental_backup(client: weaviate.WeaviateClient, request: SubRequest
         backend=BACKEND,
         include_collections=["Article"],
         wait_for_completion=True,
-        incremental_backup_base_id=base_backup_id,
+        incremental_base_backup_id=base_backup_id,
     )
 
     # remove existing class
diff --git a/integration/test_client.py b/integration/test_client.py
index 23ece9885..b72f53655 100644
--- a/integration/test_client.py
+++ b/integration/test_client.py
@@ -360,37 +360,6 @@ def test_client_cluster_with_lazy_shard_loading(
         client.collections.delete(request.node.name)
 
 
-def test_client_cluster_without_lazy_shard_loading(
-    client_factory: ClientFactory, request: SubRequest
-) -> None:
-    client = client_factory(8090, 50061)
-
-    try:
-        collection = client.collections.create(
-            name=request.node.name, vectorizer_config=Configure.Vectorizer.none()
-        )
-
-        nodes = client.cluster.nodes(collection.name, output="verbose")
-        assert len(nodes) == 1
-        assert len(nodes[0].shards) == 1
-        assert nodes[0].shards[0].collection == collection.name
-        assert nodes[0].shards[0].object_count == 0
-        assert nodes[0].shards[0].vector_indexing_status in [
-            "READONLY",
-            "INDEXING",
-            "READY",
-            "LAZY_LOADING",
-        ]
-        assert nodes[0].shards[0].vector_queue_length == 0
-        assert nodes[0].shards[0].compressed is False
-        if collection._connection._weaviate_version.is_lower_than(1, 25, 0):
-            assert nodes[0].shards[0].loaded is True
-        else:
-            assert nodes[0].shards[0].loaded is False
-    finally:
-        client.collections.delete(request.node.name)
-
-
 def test_client_cluster_multitenant(client: weaviate.WeaviateClient, request: SubRequest) -> None:
     try:
         collection = client.collections.create(
diff --git a/integration/test_collection_config.py b/integration/test_collection_config.py
index 371405a1d..d634e66cb 100644
--- a/integration/test_collection_config.py
+++ b/integration/test_collection_config.py
@@ -1585,6 +1585,10 @@ def test_replication_config_without_async_config(collection_factory: CollectionF
 
 
 def test_replication_config_with_async_config(collection_factory: CollectionFactory) -> None:
+    collection_dummy = collection_factory("dummy")
+    if collection_dummy._connection._weaviate_version.is_lower_than(1, 34, 18):
+        pytest.skip("async replication config requires Weaviate >= 1.34.18")
+
     collection = collection_factory(
         replication_config=Configure.replication(
             factor=1,
@@ -1726,7 +1730,7 @@ def test_replication_config_add_async_config_to_existing_collection(
     collection.config.update(
         replication_config=Reconfigure.replication(
             async_config=Reconfigure.Replication.async_config(
-                max_workers=12,
+                max_workers=8,
                 propagation_concurrency=4,
             ),
         ),
@@ -1734,7 +1738,7 @@ def test_replication_config_add_async_config_to_existing_collection(
     config = collection.config.get()
     assert config.replication_config.async_config is not None
     ac = config.replication_config.async_config
-    assert ac.max_workers == 12
+    assert ac.max_workers == 8
     assert ac.propagation_concurrency == 4
 
 
diff --git a/weaviate/backup/executor.py b/weaviate/backup/executor.py
index e8c52239d..b50515a2f 100644
--- a/weaviate/backup/executor.py
+++ b/weaviate/backup/executor.py
@@ -92,7 +92,11 @@ def create(
             "id": backup_id,
             "include": include_collections,
             "exclude": exclude_collections,
-            "incremental_base_backup_id": incremental_base_backup_id,
+            "incremental_base_backup_id": (
+                incremental_base_backup_id.lower()
+                if incremental_base_backup_id is not None
+                else None
+            ),
         }
 
         if config is not None: