diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 08e82c45..7e56fe29 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.1.0-alpha.15"
+  ".": "0.1.0-alpha.16"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8812afb..8863756b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.1.0-alpha.16 (2024-09-10)
+
+Full Changelog: [v0.1.0-alpha.15...v0.1.0-alpha.16](https://github.com/openai/openai-go/compare/v0.1.0-alpha.15...v0.1.0-alpha.16)
+
+### Bug Fixes
+
+* **requestconfig:** copy over more fields when cloning ([#44](https://github.com/openai/openai-go/issues/44)) ([6e02130](https://github.com/openai/openai-go/commit/6e02130c086c21e7f0895d18d6ed98fefb56f4d0))
+
 ## 0.1.0-alpha.15 (2024-09-05)
 
 Full Changelog: [v0.1.0-alpha.14...v0.1.0-alpha.15](https://github.com/openai/openai-go/compare/v0.1.0-alpha.14...v0.1.0-alpha.15)
diff --git a/README.md b/README.md
index fbdf195a..a344e8fe 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Or to pin the version:
 <!-- x-release-please-start-version -->
 
 ```sh
-go get -u 'github.com/openai/openai-go@v0.1.0-alpha.15'
+go get -u 'github.com/openai/openai-go@v0.1.0-alpha.16'
 ```
 
 <!-- x-release-please-end -->
diff --git a/internal/requestconfig/requestconfig.go b/internal/requestconfig/requestconfig.go
index 3b5a1147..ae8e1e96 100644
--- a/internal/requestconfig/requestconfig.go
+++ b/internal/requestconfig/requestconfig.go
@@ -467,10 +467,16 @@ func (cfg *RequestConfig) Clone(ctx context.Context) *RequestConfig {
 		return nil
 	}
 	new := &RequestConfig{
-		MaxRetries: cfg.MaxRetries,
-		Context:    ctx,
-		Request:    req,
-		HTTPClient: cfg.HTTPClient,
+		MaxRetries:     cfg.MaxRetries,
+		RequestTimeout: cfg.RequestTimeout,
+		Context:        ctx,
+		Request:        req,
+		BaseURL:        cfg.BaseURL,
+		HTTPClient:     cfg.HTTPClient,
+		Middlewares:    cfg.Middlewares,
+		APIKey:         cfg.APIKey,
+		Organization:   cfg.Organization,
+		Project:        cfg.Project,
 	}
 
 	return new
diff --git a/internal/version.go b/internal/version.go
index 13b9ceb3..f5789720 100644
--- a/internal/version.go
+++ b/internal/version.go
@@ -2,4 +2,4 @@
 
 package internal
 
-const PackageVersion = "0.1.0-alpha.15" // x-release-please-version
+const PackageVersion = "0.1.0-alpha.16" // x-release-please-version