diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 55e8919..0d7d999 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,10 +10,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.7', '3.0', '3.2']
+        ruby-version: ['3.0', '3.2', '3.3']
     services:
       typesense:
-        image: typesense/typesense:27.1
+        image: typesense/typesense:28.0.rc36
         ports:
           - 8108:8108
         volumes:
@@ -37,8 +37,8 @@ jobs:
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rubocop
       - run: bundle exec rspec --format documentation
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
-          name: coverage
+          name: coverage-ruby-${{ matrix.ruby-version }}
           path: coverage/
           retention-days: 1
diff --git a/lib/typesense.rb b/lib/typesense.rb
index 81b163e..07a74a1 100644
--- a/lib/typesense.rb
+++ b/lib/typesense.rb
@@ -32,3 +32,6 @@ module Typesense
 require_relative 'typesense/stats'
 require_relative 'typesense/operations'
 require_relative 'typesense/error'
+require_relative 'typesense/stemming'
+require_relative 'typesense/stemming_dictionaries'
+require_relative 'typesense/stemming_dictionary'
diff --git a/lib/typesense/client.rb b/lib/typesense/client.rb
index 9bb4df2..ca70491 100644
--- a/lib/typesense/client.rb
+++ b/lib/typesense/client.rb
@@ -3,7 +3,7 @@
 module Typesense
   class Client
     attr_reader :configuration, :collections, :aliases, :keys, :debug, :health, :metrics, :stats, :operations,
-                :multi_search, :analytics, :presets
+                :multi_search, :analytics, :presets, :stemming
 
     def initialize(options = {})
       @configuration = Configuration.new(options)
@@ -18,6 +18,7 @@ def initialize(options = {})
       @stats = Stats.new(@api_call)
       @operations = Operations.new(@api_call)
       @analytics = Analytics.new(@api_call)
+      @stemming = Stemming.new(@api_call)
       @presets = Presets.new(@api_call)
     end
   end
diff --git a/lib/typesense/stemming.rb b/lib/typesense/stemming.rb
new file mode 100644
index 0000000..71dc885
--- /dev/null
+++ b/lib/typesense/stemming.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Typesense
+  class Stemming
+    RESOURCE_PATH = '/stemming'
+
+    def initialize(api_call)
+      @api_call = api_call
+    end
+
+    def dictionaries
+      @dictionaries ||= StemmingDictionaries.new(@api_call)
+    end
+  end
+end
diff --git a/lib/typesense/stemming_dictionaries.rb b/lib/typesense/stemming_dictionaries.rb
new file mode 100644
index 0000000..0eee2c1
--- /dev/null
+++ b/lib/typesense/stemming_dictionaries.rb
@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+module Typesense
+  class StemmingDictionaries
+    RESOURCE_PATH = '/stemming/dictionaries'
+
+    def initialize(api_call)
+      @api_call = api_call
+      @dictionaries = {}
+    end
+
+    def upsert(dict_id, words_and_roots_combinations)
+      words_and_roots_combinations_in_jsonl = if words_and_roots_combinations.is_a?(Array)
+                                                words_and_roots_combinations.map { |combo| Oj.dump(combo, mode: :compat) }.join("\n")
+                                              else
+                                                words_and_roots_combinations
+                                              end
+
+      result_in_jsonl = @api_call.perform_request(
+        'post',
+        endpoint_path('import'),
+        query_parameters: { id: dict_id },
+        body_parameters: words_and_roots_combinations_in_jsonl,
+        additional_headers: { 'Content-Type' => 'text/plain' }
+      )
+
+      if words_and_roots_combinations.is_a?(Array)
+        result_in_jsonl.split("\n").map { |r| Oj.load(r) }
+      else
+        result_in_jsonl
+      end
+    end
+
+    def retrieve
+      response = @api_call.get(endpoint_path)
+      response || { 'dictionaries' => [] }
+    end
+
+    def [](dict_id)
+      @dictionaries[dict_id] ||= StemmingDictionary.new(dict_id, @api_call)
+    end
+
+    private
+
+    def endpoint_path(operation = nil)
+      "#{StemmingDictionaries::RESOURCE_PATH}#{operation.nil? ? '' : "/#{URI.encode_www_form_component(operation)}"}"
+    end
+  end
+end
diff --git a/lib/typesense/stemming_dictionary.rb b/lib/typesense/stemming_dictionary.rb
new file mode 100644
index 0000000..3107517
--- /dev/null
+++ b/lib/typesense/stemming_dictionary.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module Typesense
+  class StemmingDictionary
+    def initialize(id, api_call)
+      @dict_id = id
+      @api_call = api_call
+    end
+
+    def retrieve
+      @api_call.get(endpoint_path)
+    end
+
+    private
+
+    def endpoint_path
+      "#{StemmingDictionaries::RESOURCE_PATH}/#{URI.encode_www_form_component(@dict_id)}"
+    end
+  end
+end
diff --git a/spec/typesense/collections_spec.rb b/spec/typesense/collections_spec.rb
index ded43c6..8f0c5e7 100644
--- a/spec/typesense/collections_spec.rb
+++ b/spec/typesense/collections_spec.rb
@@ -100,6 +100,7 @@
             'optional' => false,
             'sort' => false,
             'stem' => false,
+            'stem_dictionary' => '',
             'store' => true
           },
           {
@@ -112,6 +113,7 @@
             'optional' => false,
             'sort' => true,
             'stem' => false,
+            'stem_dictionary' => '',
             'store' => true
           },
           {
@@ -124,6 +126,7 @@
             'optional' => false,
             'sort' => false,
             'stem' => false,
+            'stem_dictionary' => '',
             'store' => true
           }
         ]
diff --git a/spec/typesense/stemming_spec.rb b/spec/typesense/stemming_spec.rb
new file mode 100644
index 0000000..fbf6bff
--- /dev/null
+++ b/spec/typesense/stemming_spec.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require_relative '../spec_helper'
+
+describe 'StemmingDictionaries' do
+  let(:client) do
+    Typesense::Client.new(
+      nodes: [{ host: 'localhost', port: '8108', protocol: 'http' }],
+      api_key: 'xyz',
+      connection_timeout_seconds: 10
+    )
+  end
+
+  let(:dictionary_id) { 'test_dictionary' }
+  let(:dictionary) do
+    [
+      { 'root' => 'exampleRoot1', 'word' => 'exampleWord1' },
+      { 'root' => 'exampleRoot2', 'word' => 'exampleWord2' }
+    ]
+  end
+
+  before do
+    WebMock.disable!
+    # Create the dictionary at the start of each test
+    client.stemming.dictionaries.upsert(dictionary_id, dictionary)
+  end
+
+  after do
+    WebMock.enable!
+  end
+
+  it 'can upsert a dictionary' do
+    response = client.stemming.dictionaries.upsert(dictionary_id, dictionary)
+    expect(response).to eq(dictionary)
+  end
+
+  it 'can retrieve a dictionary' do
+    response = client.stemming.dictionaries[dictionary_id].retrieve
+    expect(response['id']).to eq(dictionary_id)
+    expect(response['words']).to eq(dictionary)
+  end
+
+  it 'can retrieve all dictionaries' do
+    response = client.stemming.dictionaries.retrieve
+    expect(response['dictionaries'].length).to eq(1)
+    expect(response['dictionaries'][0]).to eq(dictionary_id)
+  end
+end
diff --git a/typesense.gemspec b/typesense.gemspec
index ea507aa..e4e139f 100644
--- a/typesense.gemspec
+++ b/typesense.gemspec
@@ -26,6 +26,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
+  spec.add_dependency 'base64', '~> 0.2.0'
   spec.add_dependency 'faraday', '~> 2.8'
   spec.add_dependency 'oj', '~> 3.16'
   spec.metadata['rubygems_mfa_required'] = 'true'