release: 0.14.1

.github/workflows/ci.yml

@@ -26,9 +26,9 @@ jobs:
       github.repository == 'stainless-sdks/lithic-ruby' &&
       (github.event_name == 'push' || github.event.pull_request.head.repo.fork) && (github.event_name != 'push' || github.event.head_commit.message != 'codegen metadata')
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
         with:
           bundler-cache: false
       - run: |-
@@ -39,7 +39,7 @@ jobs:
           github.repository == 'stainless-sdks/lithic-ruby' &&
           !startsWith(github.ref, 'refs/heads/stl/')
         id: github-oidc
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: core.setOutput('github_token', await core.getIDToken());
 
@@ -60,9 +60,9 @@ jobs:
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
         with:
           bundler-cache: false
       - run: |-
@@ -76,9 +76,9 @@ jobs:
     runs-on: ${{ github.repository == 'stainless-sdks/lithic-ruby' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
         with:
           bundler-cache: false
       - run: |-

.github/workflows/publish-gem.yml

@@ -14,9 +14,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f # v1.306.0
         with:
           bundler-cache: false
       - run: |-

.github/workflows/release-doctor.yml

@@ -12,7 +12,7 @@ jobs:
     if: github.repository == 'lithic-com/lithic-ruby' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch' || startsWith(github.head_ref, 'release-please') || github.head_ref == 'next')
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Check release environment
         run: |

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "0.14.0"
+  ".": "0.14.1"
 }

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.14.1 (2026-05-13)
+
+Full Changelog: [v0.14.0...v0.14.1](https://github.com/lithic-com/lithic-ruby/compare/v0.14.0...v0.14.1)
+
+### Bug Fixes
+
+* **client:** elide content type header on requests without body ([d3a58d5](https://github.com/lithic-com/lithic-ruby/commit/d3a58d57130f65c30e56d39ba380cf8fe04e49da))
+
 ## 0.14.0 (2026-05-08)
 
 Full Changelog: [v0.13.0...v0.14.0](https://github.com/lithic-com/lithic-ruby/compare/v0.13.0...v0.14.0)

Gemfile.lock

@@ -11,7 +11,7 @@ GIT
 PATH
   remote: .
   specs:
-    lithic (0.14.0)
+    lithic (0.14.1)
       cgi
       connection_pool
 

README.md

@@ -24,7 +24,7 @@ To use this gem, install via Bundler by adding the following to your application
 <!-- x-release-please-start-version -->
 
 ```ruby
-gem "lithic", "~> 0.14.0"
+gem "lithic", "~> 0.14.1"
 ```
 
 <!-- x-release-please-end -->

lib/lithic/internal/transport/base_client.rb

@@ -306,6 +306,8 @@ def initialize(
               Lithic::Internal::Util.deep_merge(*[req[:body], opts[:extra_body]].compact)
             end
 
+          headers.delete("content-type") if body.nil?
+
           url = Lithic::Internal::Util.join_parsed_uri(
             @base_url_components,
             {**req, path: path, query: query}

lib/lithic/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Lithic
-  VERSION = "0.14.0"
+  VERSION = "0.14.1"
 end

test/lithic/client_test.rb

@@ -213,8 +213,8 @@ def test_client_redirect_307
       assert_equal(recorded.method, _1.method)
       assert_equal(recorded.body, _1.body)
       assert_equal(
-        recorded.headers.transform_keys(&:downcase).fetch("content-type"),
-        _1.headers.transform_keys(&:downcase).fetch("content-type")
+        recorded.headers.transform_keys(&:downcase)["content-type"],
+        _1.headers.transform_keys(&:downcase)["content-type"]
       )
     end
   end
@@ -301,8 +301,9 @@ def test_default_headers
     lithic.cards.create(type: :VIRTUAL)
 
     assert_requested(:any, /./) do |req|
-      headers = req.headers.transform_keys(&:downcase).fetch_values("accept", "content-type")
-      headers.each { refute_empty(_1) }
+      headers = req.headers.transform_keys(&:downcase)
+      expected = req.body.nil? ? ["accept"] : %w[accept content-type]
+      headers.fetch_values(*expected).each { refute_empty(_1) }
     end
   end
 end