diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index bdcacbf65..89bf40edf 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.53.0"
+  ".": "4.53.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00fc14e39..c57f8b1e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 4.53.1 (2024-07-25)
+
+Full Changelog: [v4.53.0...v4.53.1](https://github.com/openai/openai-node/compare/v4.53.0...v4.53.1)
+
+### Bug Fixes
+
+* **compat:** remove ReadableStream polyfill redundant since node v16 ([#954](https://github.com/openai/openai-node/issues/954)) ([78b2a83](https://github.com/openai/openai-node/commit/78b2a83f085bb7ddf6a5f429636de1e3eef20f9d))
+
+
+### Chores
+
+* **tests:** update prism version ([#948](https://github.com/openai/openai-node/issues/948)) ([9202c91](https://github.com/openai/openai-node/commit/9202c91d697a116eb1b834e01f4073d254438149))
+
 ## 4.53.0 (2024-07-22)
 
 Full Changelog: [v4.52.7...v4.53.0](https://github.com/openai/openai-node/compare/v4.52.7...v4.53.0)
diff --git a/README.md b/README.md
index bf6f5ac76..06629fdda 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@v4.53.0/mod.ts';
+import OpenAI from 'https://deno.land/x/openai@v4.53.1/mod.ts';
 ```
 
 <!-- x-release-please-end -->
diff --git a/package.json b/package.json
index 40d45a905..590d497c5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "4.53.0",
+  "version": "4.53.1",
   "description": "The official TypeScript library for the OpenAI API",
   "author": "OpenAI <support@openai.com>",
   "types": "dist/index.d.ts",
@@ -30,8 +30,7 @@
     "agentkeepalive": "^4.2.1",
     "form-data-encoder": "1.7.2",
     "formdata-node": "^4.3.2",
-    "node-fetch": "^2.6.7",
-    "web-streams-polyfill": "^3.2.1"
+    "node-fetch": "^2.6.7"
   },
   "devDependencies": {
     "@swc/core": "^1.3.102",
diff --git a/scripts/build-deno b/scripts/build-deno
index 930f16d53..1952d4282 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@v4.53.0/mod.ts";
+import OpenAI from "https://deno.land/x/openai@v4.53.1/mod.ts";
 
 const client = new OpenAI();
 \`\`\`
diff --git a/scripts/mock b/scripts/mock
index fe89a1d08..f58615769 100755
--- a/scripts/mock
+++ b/scripts/mock
@@ -21,7 +21,7 @@ echo "==> Starting mock server with URL ${URL}"
 
 # Run prism mock on the given spec
 if [ "$1" == "--daemon" ]; then
-  npm exec --package=@stoplight/prism-cli@~5.8 -- prism mock "$URL" &> .prism.log &
+  npm exec --package=@stainless-api/prism-cli@5.8.4 -- prism mock "$URL" &> .prism.log &
 
   # Wait for server to come online
   echo -n "Waiting for server"
@@ -37,5 +37,5 @@ if [ "$1" == "--daemon" ]; then
 
   echo
 else
-  npm exec  --package=@stoplight/prism-cli@~5.8 -- prism mock "$URL"
+  npm exec --package=@stainless-api/prism-cli@5.8.4 -- prism mock "$URL"
 fi
diff --git a/src/_shims/node-runtime.ts b/src/_shims/node-runtime.ts
index a9c42ebeb..ab9f2ab5c 100644
--- a/src/_shims/node-runtime.ts
+++ b/src/_shims/node-runtime.ts
@@ -13,9 +13,7 @@ import { Readable } from 'node:stream';
 import { type RequestOptions } from '../core';
 import { MultipartBody } from './MultipartBody';
 import { type Shims } from './registry';
-
-// @ts-ignore (this package does not have proper export maps for this export)
-import { ReadableStream } from 'web-streams-polyfill/dist/ponyfill.es2018.js';
+import { ReadableStream } from 'node:stream/web';
 
 type FileFromPathOptions = Omit<FilePropertyBag, 'lastModified'>;
 
diff --git a/src/version.ts b/src/version.ts
index 0f53607fc..7fc8bb1d7 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.53.0'; // x-release-please-version
+export const VERSION = '4.53.1'; // x-release-please-version
diff --git a/yarn.lock b/yarn.lock
index dda4d2e4a..358dbf20b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3412,11 +3412,6 @@ web-streams-polyfill@4.0.0-beta.1:
   resolved "https://registry.yarnpkg.com/web-streams-polyfill/-/web-streams-polyfill-4.0.0-beta.1.tgz#3b19b9817374b7cee06d374ba7eeb3aeb80e8c95"
   integrity sha512-3ux37gEX670UUphBF9AMCq8XM6iQ8Ac6A+DSRRjDoRBm1ufCkaCDdNVbaqq60PsEkdNlLKrGtv/YBP4EJXqNtQ==
 
-web-streams-polyfill@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/web-streams-polyfill/-/web-streams-polyfill-3.2.1.tgz#71c2718c52b45fd49dbeee88634b3a60ceab42a6"
-  integrity sha512-e0MO3wdXWKrLbL0DgGnUV7WHVuw9OUvL4hjgnPkIeEvESk74gAITi5G606JtZPp39cd8HA9VQzCIvA49LpPN5Q==
-
 webidl-conversions@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"