diff --git a/.github/workflows/create-releases.yml b/.github/workflows/create-releases.yml
index 9e76fcc471..a641be287b 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-pypi.yml b/.github/workflows/publish-pypi.yml
index f779a19ac1..2f88f86407 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Rye
         run: |
diff --git a/.github/workflows/release-doctor.yml b/.github/workflows/release-doctor.yml
index 108aa5973a..e078964a6f 100644
--- a/.github/workflows/release-doctor.yml
+++ b/.github/workflows/release-doctor.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.repository == 'openai/openai-python' && (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 9fbf60ba41..dd9e0bd0b2 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.23.4"
+  ".": "1.23.5"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48ab946491..9ac6cd139d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 1.23.5 (2024-04-24)
+
+Full Changelog: [v1.23.4...v1.23.5](https://github.com/openai/openai-python/compare/v1.23.4...v1.23.5)
+
+### Chores
+
+* **internal:** use actions/checkout@v4 for codeflow ([#1368](https://github.com/openai/openai-python/issues/1368)) ([d1edf8b](https://github.com/openai/openai-python/commit/d1edf8beb806ebaefdcc2cb6e39f99e1811a2668))
+
 ## 1.23.4 (2024-04-24)
 
 Full Changelog: [v1.23.3...v1.23.4](https://github.com/openai/openai-python/compare/v1.23.3...v1.23.4)
diff --git a/pyproject.toml b/pyproject.toml
index 9cde315623..18949f6652 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "openai"
-version = "1.23.4"
+version = "1.23.5"
 description = "The official Python library for the openai API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/openai/_version.py b/src/openai/_version.py
index 943be8e435..460a2542b1 100644
--- a/src/openai/_version.py
+++ b/src/openai/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "openai"
-__version__ = "1.23.4"  # x-release-please-version
+__version__ = "1.23.5"  # x-release-please-version