diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index edb679e..53cbef5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       max-parallel: 1
       matrix:
-        ruby: ["3.0", "3.1", "3.4"]
+        ruby: ["3.0", "3.1", "3.4", "4.0"]
     name: 💎 Ruby ${{ matrix.ruby }}
     steps:
       - uses: actions/checkout@v4
@@ -21,10 +21,10 @@ jobs:
           bundler-cache: true
 
       - run: bundle exec rake rubocop
-        if: ${{ matrix.ruby == '3.4' }}
+        if: ${{ matrix.ruby == '4.0' }}
 
       - run: bundle exec srb tc
-        if: ${{ matrix.ruby == '3.4' }}
+        if: ${{ matrix.ruby == '4.0' }}
 
       - run: bundle exec rspec ./spec --require spec_helper
         env:
diff --git a/README.md b/README.md
index f7d2926..32a781a 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ For the client-side integrations (web and mobile) have a look at the JavaScript,
 
 ## ⚙️ Installation
 
-[`stream-chat-ruby`](https://rubygems.org/gems/stream-chat-ruby) supports Ruby version `3.0` and greater. We test against Ruby versions `3.0`, `3.1` and `3.4`.
+[`stream-chat-ruby`](https://rubygems.org/gems/stream-chat-ruby) supports Ruby version `3.0` and greater. We test against Ruby versions `3.0`, `3.1`, `3.4` and 4.0.
 
 ```bash
 $ gem install stream-chat-ruby
diff --git a/stream-chat.gemspec b/stream-chat.gemspec
index 0ecc866..46cdb2e 100644
--- a/stream-chat.gemspec
+++ b/stream-chat.gemspec
@@ -27,7 +27,7 @@ Gem::Specification.new do |gem|
   }
 
   gem.add_dependency 'faraday', '~> 2.12.2'
-  gem.add_dependency 'faraday-multipart', '~> 1.1.0'
+  gem.add_dependency 'faraday-multipart', '>=1.1.0'
   gem.add_dependency 'faraday-net_http_persistent', '~> 2.3.0'
   gem.add_dependency 'jwt', '~> 2.10'
   gem.add_dependency 'net-http-persistent', '~> 4.0'