diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ae449647f..d80a91e22 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.87.0"
+  ".": "0.88.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1575b989a..74056509f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.88.0](https://github.com/openai/openai-ruby/compare/v0.87.0...v0.88.0) (2026-09-09)
+
+
+### Features
+
+* **api:** Add service account key expiration support ([#689](https://github.com/openai/openai-ruby/issues/689)) ([b9adc2a](https://github.com/openai/openai-ruby/commit/b9adc2ac754715e737c5fb9f457d17fd036d40d2))
+
 ## [0.87.0](https://github.com/openai/openai-ruby/compare/v0.86.0...v0.87.0) (2026-09-08)
 
 
diff --git a/Gemfile.lock b/Gemfile.lock
index d94d7f57d..556c0e02e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GIT
 PATH
   remote: .
   specs:
-    openai (0.87.0)
+    openai (0.88.0)
       connection_pool (>= 2.2.3)
       logger
 
diff --git a/README.md b/README.md
index e6651e2bc..55d00db83 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ To use this gem, install via Bundler by adding the following to your application
 <!-- x-release-please-start-version -->
 
 ```ruby
-gem "openai", "~> 0.87.0"
+gem "openai", "~> 0.88.0"
 ```
 
 <!-- x-release-please-end -->
diff --git a/gemfiles/bedrock.gemfile.lock b/gemfiles/bedrock.gemfile.lock
index d697c3a25..24c5b43e3 100644
--- a/gemfiles/bedrock.gemfile.lock
+++ b/gemfiles/bedrock.gemfile.lock
@@ -12,7 +12,7 @@ PATH
   remote: ..
   specs:
   # x-release-please-start-version
-    openai (0.87.0)
+    openai (0.88.0)
   # x-release-please-end
       connection_pool (>= 2.2.3)
       logger
diff --git a/lib/openai/version.rb b/lib/openai/version.rb
index eb9366424..f57698b26 100644
--- a/lib/openai/version.rb
+++ b/lib/openai/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module OpenAI
-  VERSION = "0.87.0"
+  VERSION = "0.88.0"
 end