diff --git a/server/utils/vectorDbProviders/pinecone/index.js b/server/utils/vectorDbProviders/pinecone/index.js
index 91d97578fec5385f161dbb1d30fa8160a4b39271..4109ee65386ba57d830aa2b7d461271429dabdc8 100644
--- a/server/utils/vectorDbProviders/pinecone/index.js
+++ b/server/utils/vectorDbProviders/pinecone/index.js
@@ -185,10 +185,12 @@ const Pinecone = {
     if (knownDocuments.length === 0) return;
 
     const vectorIds = knownDocuments.map((doc) => doc.vectorId);
-    await pineconeIndex.delete1({
-      ids: vectorIds,
-      namespace,
-    });
+    for (const batchOfVectorIds of toChunks(vectorIds, 1000)) {
+      await pineconeIndex.delete1({
+        ids: batchOfVectorIds,
+        namespace,
+      });
+    }
 
     const indexes = knownDocuments.map((doc) => doc.id);
     await DocumentVectors.deleteIds(indexes);