diff --git a/Package.resolved b/Package.resolved
index 34f8098..5efce18 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -266,8 +266,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/buhe/SwiftyNotion",
       "state" : {
-        "revision" : "64e053ad708827655589a39dc0dbf897e109219c",
-        "version" : "0.1.4"
+        "branch" : "main",
+        "revision" : "ccfe5600df5e315e48470ca840f682ec446869f8"
       }
     },
     {
diff --git a/Package.swift b/Package.swift
index 7e78acc..3074e42 100644
--- a/Package.swift
+++ b/Package.swift
@@ -26,7 +26,7 @@ let package = Package(
         .package(url: "https://github.com/juyan/swift-filestore", .upToNextMajor(from: "0.5.0")),
         .package(url: "https://github.com/buhe/similarity-search-kit", from: "0.0.16"),
         .package(url: "https://github.com/google/generative-ai-swift", .upToNextMajor(from: "0.4.4")),
-        .package(url: "https://github.com/buhe/SwiftyNotion", .upToNextMajor(from: "0.1.4")),
+        .package(url: "https://github.com/buhe/SwiftyNotion", .upToNextMajor(from: "0.1.5")),
         .package(url: "https://github.com/nmdias/FeedKit", .upToNextMajor(from: "9.1.2")),
     ],
     targets: [
diff --git a/Sources/LangChain/vectorstores/VectorStore.swift b/Sources/LangChain/vectorstores/VectorStore.swift
index 774bfae..1d60b09 100644
--- a/Sources/LangChain/vectorstores/VectorStore.swift
+++ b/Sources/LangChain/vectorstores/VectorStore.swift
@@ -24,18 +24,15 @@ public class VectorStore {
     }
     
     func add_documents(documents: [Document]) async {
-        await withTaskGroup(of: Void.self) { [self] group in
-            for document in documents {
-                group.addTask { await self.addText(text: document.page_content, metadata: document.metadata)}
-            }
+        for document in documents {
+            await self.addText(text: document.page_content, metadata: document.metadata)
         }
     }
     
+    
     func remove_documents(sha256s: [String]) async {
-        await withTaskGroup(of: Void.self) { [self] group in
-            for sha256 in sha256s {
-                group.addTask { await self.removeText(sha256: sha256)}
-            }
+        for sha256 in sha256s {
+            await self.removeText(sha256: sha256)
         }
     }
 //    def add_documents(self, documents: List[Document], **kwargs: Any) -> List[str]: