From d527cce5ba9ca4a3a69dde49a4bc40ff2937b556 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Tue, 23 Jun 2026 02:14:00 +0000
Subject: [PATCH 1/2] fix(client): send content-type header for requests with
 an omitted optional body

---
 lib/yoomoney/internal/transport/base_client.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/yoomoney/internal/transport/base_client.rb b/lib/yoomoney/internal/transport/base_client.rb
index f8b2a16..6afbc0a 100644
--- a/lib/yoomoney/internal/transport/base_client.rb
+++ b/lib/yoomoney/internal/transport/base_client.rb
@@ -306,7 +306,10 @@ def initialize(
               Yoomoney::Internal::Util.deep_merge(*[req[:body], opts[:extra_body]].compact)
             end
 
-          headers.delete("content-type") if body.nil?
+          # Generated methods always pass `req[:body]` for operations that define a
+          # request body, so only elide the content-type header when the operation
+          # has no body at all, not when an optional body param was omitted.
+          headers.delete("content-type") if body.nil? && !req.key?(:body)
 
           url = Yoomoney::Internal::Util.join_parsed_uri(
             @base_url_components,

From 9381834587c4068271349bd48a7b3100979dfe31 Mon Sep 17 00:00:00 2001
From: "stainless-app[bot]"
 <142633134+stainless-app[bot]@users.noreply.github.com>
Date: Tue, 23 Jun 2026 02:14:24 +0000
Subject: [PATCH 2/2] release: 0.5.1

---
 .release-please-manifest.json | 2 +-
 CHANGELOG.md                  | 8 ++++++++
 Gemfile.lock                  | 2 +-
 README.md                     | 2 +-
 lib/yoomoney/version.rb       | 2 +-
 5 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2aca35a..d04f223 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.5.0"
+  ".": "0.5.1"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0251e54..a85668f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.5.1 (2026-06-23)
+
+Full Changelog: [v0.5.0...v0.5.1](https://github.com/Hexlet/yoomoney-ruby/compare/v0.5.0...v0.5.1)
+
+### Bug Fixes
+
+* **client:** send content-type header for requests with an omitted optional body ([d527cce](https://github.com/Hexlet/yoomoney-ruby/commit/d527cce5ba9ca4a3a69dde49a4bc40ff2937b556))
+
 ## 0.5.0 (2026-05-14)
 
 Full Changelog: [v0.4.1...v0.5.0](https://github.com/Hexlet/yoomoney-ruby/compare/v0.4.1...v0.5.0)
diff --git a/Gemfile.lock b/Gemfile.lock
index 11399f8..ba31be0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GIT
 PATH
   remote: .
   specs:
-    yoomoney (0.5.0)
+    yoomoney (0.5.1)
       cgi
       connection_pool
 
diff --git a/README.md b/README.md
index 344a35b..835aa98 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 "yoomoney", "~> 0.5.0"
+gem "yoomoney", "~> 0.5.1"
 ```
 
 <!-- x-release-please-end -->
diff --git a/lib/yoomoney/version.rb b/lib/yoomoney/version.rb
index e2191c0..e870894 100644
--- a/lib/yoomoney/version.rb
+++ b/lib/yoomoney/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Yoomoney
-  VERSION = "0.5.0"
+  VERSION = "0.5.1"
 end