diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d998f5422..8fe5ee19c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.52.4"
+  ".": "4.52.5"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 592724a41..cf1796bd6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 4.52.5 (2024-07-10)
+
+Full Changelog: [v4.52.4...v4.52.5](https://github.com/openai/openai-node/compare/v4.52.4...v4.52.5)
+
+### Bug Fixes
+
+* **vectorStores:** correctly handle missing `files` in `uploadAndPoll()` ([#926](https://github.com/openai/openai-node/issues/926)) ([945fca6](https://github.com/openai/openai-node/commit/945fca646b02b52bbc9163cb51f5d87e7db8afd6))
+
 ## 4.52.4 (2024-07-08)
 
 Full Changelog: [v4.52.3...v4.52.4](https://github.com/openai/openai-node/compare/v4.52.3...v4.52.4)
diff --git a/README.md b/README.md
index b2f6d0ce4..1e8a544ee 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ You can import in Deno via:
 <!-- x-release-please-start-version -->
 
 ```ts
-import OpenAI from 'https://deno.land/x/openai@v4.52.4/mod.ts';
+import OpenAI from 'https://deno.land/x/openai@v4.52.5/mod.ts';
 ```
 
 <!-- x-release-please-end -->
diff --git a/package.json b/package.json
index c104fef39..d8c6dc739 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "4.52.4",
+  "version": "4.52.5",
   "description": "The official TypeScript library for the OpenAI API",
   "author": "OpenAI <support@openai.com>",
   "types": "dist/index.d.ts",
diff --git a/scripts/build-deno b/scripts/build-deno
index 577844cbe..bd1e495d3 100755
--- a/scripts/build-deno
+++ b/scripts/build-deno
@@ -16,7 +16,7 @@ This is a build produced from https://github.com/openai/openai-node – please g
 Usage:
 
 \`\`\`ts
-import OpenAI from "https://deno.land/x/openai@v4.52.4/mod.ts";
+import OpenAI from "https://deno.land/x/openai@v4.52.5/mod.ts";
 
 const client = new OpenAI();
 \`\`\`
diff --git a/src/resources/beta/vector-stores/file-batches.ts b/src/resources/beta/vector-stores/file-batches.ts
index 890a92190..e4a5c46fe 100644
--- a/src/resources/beta/vector-stores/file-batches.ts
+++ b/src/resources/beta/vector-stores/file-batches.ts
@@ -155,19 +155,22 @@ export class FileBatches extends APIResource {
     { files, fileIds = [] }: { files: Uploadable[]; fileIds?: string[] },
     options?: Core.RequestOptions & { pollIntervalMs?: number; maxConcurrency?: number },
   ): Promise<VectorStoreFileBatch> {
-    if (files === null || files.length == 0) {
-      throw new Error('No files provided to process.');
+    if (files == null || files.length == 0) {
+      throw new Error(
+        `No \`files\` provided to process. If you've already uploaded files you should use \`.createAndPoll()\` instead`,
+      );
     }
 
     const configuredConcurrency = options?.maxConcurrency ?? 5;
-    //We cap the number of workers at the number of files (so we don't start any unnecessary workers)
+
+    // We cap the number of workers at the number of files (so we don't start any unnecessary workers)
     const concurrencyLimit = Math.min(configuredConcurrency, files.length);
 
     const client = this._client;
     const fileIterator = files.values();
     const allFileIds: string[] = [...fileIds];
 
-    //This code is based on this design. The libraries don't accommodate our environment limits.
+    // This code is based on this design. The libraries don't accommodate our environment limits.
     // https://stackoverflow.com/questions/40639432/what-is-the-best-way-to-limit-concurrency-when-using-es6s-promise-all
     async function processFiles(iterator: IterableIterator<Uploadable>) {
       for (let item of iterator) {
@@ -176,10 +179,10 @@ export class FileBatches extends APIResource {
       }
     }
 
-    //Start workers to process results
+    // Start workers to process results
     const workers = Array(concurrencyLimit).fill(fileIterator).map(processFiles);
 
-    //Wait for all processing to complete.
+    // Wait for all processing to complete.
     await allSettledWithThrow(workers);
 
     return await this.createAndPoll(vectorStoreId, {
diff --git a/src/version.ts b/src/version.ts
index d3f41b987..b1bb67f20 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.52.4'; // x-release-please-version
+export const VERSION = '4.52.5'; // x-release-please-version