diff --git a/.github/workflows/create-releases.yml b/.github/workflows/create-releases.yml
index 7ecd6282a..d6d802e16 100644
--- a/.github/workflows/create-releases.yml
+++ b/.github/workflows/create-releases.yml
@@ -14,7 +14,7 @@ jobs:
     environment: publish
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: stainless-api/trigger-release-please@v1
         id: release
diff --git a/.github/workflows/publish-deno.yml b/.github/workflows/publish-deno.yml
index 578b592b3..894c516a0 100644
--- a/.github/workflows/publish-deno.yml
+++ b/.github/workflows/publish-deno.yml
@@ -11,7 +11,7 @@ jobs:
     environment: publish
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Generate a token
         id: generate_token
diff --git a/.github/workflows/publish-npm.yml b/.github/workflows/publish-npm.yml
index 2258ec560..5a3711b53 100644
--- a/.github/workflows/publish-npm.yml
+++ b/.github/workflows/publish-npm.yml
@@ -11,7 +11,7 @@ jobs:
     environment: publish
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Node
         uses: actions/setup-node@v3
diff --git a/.github/workflows/release-doctor.yml b/.github/workflows/release-doctor.yml
index b640869d0..3bb1d714f 100644
--- a/.github/workflows/release-doctor.yml
+++ b/.github/workflows/release-doctor.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.repository == 'openai/openai-node' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch' || startsWith(github.head_ref, 'release-please') || github.head_ref == 'next')
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Check release environment
         run: |
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b299eb65b..f4b74e8b3 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.38.4"
+  ".": "4.38.5"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06d0e4b32..8c69b6ecc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 4.38.5 (2024-04-24)
+
+Full Changelog: [v4.38.4...v4.38.5](https://github.com/openai/openai-node/compare/v4.38.4...v4.38.5)
+
+### Chores
+
+* **internal:** use actions/checkout@v4 for codeflow ([#799](https://github.com/openai/openai-node/issues/799)) ([5ab7780](https://github.com/openai/openai-node/commit/5ab7780ea8889818f403a9a89ab19585a7e8972e))
+
 ## 4.38.4 (2024-04-24)
 
 Full Changelog: [v4.38.3...v4.38.4](https://github.com/openai/openai-node/compare/v4.38.3...v4.38.4)
diff --git a/README.md b/README.md
index 328744dc0..ec0d5a03c 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@v4.38.4/mod.ts';
+import OpenAI from 'https://deno.land/x/openai@v4.38.5/mod.ts';
 ```
 
 <!-- x-release-please-end -->
diff --git a/build-deno b/build-deno
index 1e5c4096d..ec2c3f8a5 100755
--- a/build-deno
+++ b/build-deno
@@ -14,7 +14,7 @@ This is a build produced from https://github.com/openai/openai-node – please g
 Usage:
 
 \`\`\`ts
-import OpenAI from "https://deno.land/x/openai@v4.38.4/mod.ts";
+import OpenAI from "https://deno.land/x/openai@v4.38.5/mod.ts";
 
 const client = new OpenAI();
 \`\`\`
diff --git a/package.json b/package.json
index 7576402c3..c67a2fb77 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "4.38.4",
+  "version": "4.38.5",
   "description": "The official TypeScript library for the OpenAI API",
   "author": "OpenAI <support@openai.com>",
   "types": "dist/index.d.ts",
diff --git a/src/version.ts b/src/version.ts
index 6071af9d7..bc0a54ad1 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.38.4'; // x-release-please-version
+export const VERSION = '4.38.5'; // x-release-please-version