diff --git a/Gemfile b/Gemfile
index 1e8605379..53c15b116 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-ruby '3.3.3'
+ruby '3.2.3'
 
 ##-- base gems for rails --##
 gem 'rack-cors', '2.0.0', require: 'rack/cors'
diff --git a/Gemfile.lock b/Gemfile.lock
index da19dbb72..0008e13c5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -997,7 +997,7 @@ DEPENDENCIES
   working_hours
 
 RUBY VERSION
-   ruby 3.3.3p89
+   ruby 3.2.3p157
 
 BUNDLED WITH
    2.5.16
diff --git a/config/integration/apps.yml b/config/integration/apps.yml
index 10ba2e056..033e3028c 100644
--- a/config/integration/apps.yml
+++ b/config/integration/apps.yml
@@ -84,6 +84,7 @@ dialogflow:
         {
           'project_id': { 'type': 'string' },
           'credentials': { 'type': 'object' },
+          'language_code': { 'type': 'string' },
         },
       'required': ['project_id', 'credentials'],
       'additionalProperties': false,
@@ -106,8 +107,71 @@ dialogflow:
         'validation-messages':
           { 'JSON': 'Invalid JSON', 'required': 'Credentials is required' },
       },
+      {
+        'label': 'Dialogflow Language Code',
+        'type': 'select',
+        'name': 'language_code',
+        'options': [
+          { 'label': 'Bengali (bn)', 'value': 'bn' },
+          { 'label': 'Bengali - Bangladesh (bn-BD)', 'value': 'bn-BD' },
+          { 'label': 'Bengali - India (bn-IN)', 'value': 'bn-IN' },
+          { 'label': 'Chinese - Cantonese (zh-HK)', 'value': 'zh-HK' },
+          { 'label': 'Chinese - Simplified (zh-CN)', 'value': 'zh-CN' },
+          { 'label': 'Chinese - Traditional (zh-TW)', 'value': 'zh-TW' },
+          { 'label': 'Danish (da)', 'value': 'da' },
+          { 'label': 'Dutch (nl)', 'value': 'nl' },
+          { 'label': 'English (en)', 'value': 'en' },
+          { 'label': 'English - Australia (en-AU)', 'value': 'en-AU' },
+          { 'label': 'English - Canada (en-CA)', 'value': 'en-CA' },
+          { 'label': 'English - Great Britain (en-GB)', 'value': 'en-GB' },
+          { 'label': 'English - India (en-IN)', 'value': 'en-IN' },
+          { 'label': 'English - US (en-US)', 'value': 'en-US' },
+          { 'label': 'Filipino (fil)', 'value': 'fil' },
+          { 'label': 'Filipino - The Philippines (fil-PH)', 'value': 'fil-PH' },
+          { 'label': 'Finnish (fi)', 'value': 'fi' },
+          { 'label': 'French (fr)', 'value': 'fr' },
+          { 'label': 'French - Canada (fr-CA)', 'value': 'fr-CA' },
+          { 'label': 'French - France (fr-FR)', 'value': 'fr-FR' },
+          { 'label': 'German (de)', 'value': 'de' },
+          { 'label': 'Hindi (hi)', 'value': 'hi' },
+          { 'label': 'Indonesian (id)', 'value': 'id' },
+          { 'label': 'Italian (it)', 'value': 'it' },
+          { 'label': 'Japanese (ja)', 'value': 'ja' },
+          { 'label': 'Korean (ko)', 'value': 'ko' },
+          { 'label': 'Malay (ms)', 'value': 'ms' },
+          { 'label': 'Malay - Malaysia (ms-MY)', 'value': 'ms-MY' },
+          { 'label': 'Marathi (mr)', 'value': 'mr' },
+          { 'label': 'Marathi - India (mr-IN)', 'value': 'mr-IN' },
+          { 'label': 'Norwegian (no)', 'value': 'no' },
+          { 'label': 'Polish (pl)', 'value': 'pl' },
+          { 'label': 'Portuguese - Brazil (pt-BR)', 'value': 'pt-BR' },
+          { 'label': 'Portuguese - Portugal (pt-PT)', 'value': 'pt-PT' },
+          { 'label': 'Romanian (ro)', 'value': 'ro' },
+          { 'label': 'Romanian - Romania (ro-RO)', 'value': 'ro-RO' },
+          { 'label': 'Russian (ru)', 'value': 'ru' },
+          { 'label': 'Sinhala (si)', 'value': 'si' },
+          { 'label': 'Sinhala - Sri Lanka (si-LK)', 'value': 'si-LK' },
+          { 'label': 'Spanish (es)', 'value': 'es' },
+          { 'label': 'Spanish - Latin America (es-419)', 'value': 'es-419' },
+          { 'label': 'Spanish - Spain (es-ES)', 'value': 'es-ES' },
+          { 'label': 'Swedish (sv)', 'value': 'sv' },
+          { 'label': 'Tamil (ta)', 'value': 'ta' },
+          { 'label': 'Tamil - India (ta-IN)', 'value': 'ta-IN' },
+          { 'label': 'Tamil - Sri Lanka (ta-LK)', 'value': 'ta-LK' },
+          { 'label': 'Tamil - Malaysia (ta-MY)', 'value': 'ta-MY' },
+          { 'label': 'Tamil - Singapore (ta-SG)', 'value': 'ta-SG' },
+          { 'label': 'Telugu (te)', 'value': 'te' },
+          { 'label': 'Telugu - India (te-IN)', 'value': 'te-IN' },
+          { 'label': 'Thai (th)', 'value': 'th' },
+          { 'label': 'Turkish (tr)', 'value': 'tr' },
+          { 'label': 'Ukrainian (uk)', 'value': 'uk' },
+          { 'label': 'Vietnamese (vi)', 'value': 'vi' },
+          { 'label': 'Vietnamese - Vietnam (vi-VN)', 'value': 'vi-VN' },
+        ],
+        'value': 'en-US',
+      },
     ]
-  visible_properties: ['project_id']
+  visible_properties: ['project_id', 'language_code']
 google_translate:
   id: google_translate
   logo: google-translate.png
diff --git a/lib/integrations/dialogflow/processor_service.rb b/lib/integrations/dialogflow/processor_service.rb
index f3962a66c..d35f7deab 100644
--- a/lib/integrations/dialogflow/processor_service.rb
+++ b/lib/integrations/dialogflow/processor_service.rb
@@ -71,7 +71,8 @@ class Integrations::Dialogflow::ProcessorService < Integrations::BotProcessorSer
   def detect_intent(session_id, message)
     client = ::Google::Cloud::Dialogflow::V2::Sessions::Client.new
     session = "projects/#{hook.settings['project_id']}/agent/sessions/#{session_id}"
-    query_input = { text: { text: message, language_code: 'en-US' } }
+    language_code = hook.settings['language_code'] || 'en-US'
+    query_input = { text: { text: message, language_code: language_code } }
     client.detect_intent session: session, query_input: query_input
   end
 end
diff --git a/spec/lib/integrations/dialogflow/processor_service_spec.rb b/spec/lib/integrations/dialogflow/processor_service_spec.rb
index 2b5f36c5a..b3476ba9f 100644
--- a/spec/lib/integrations/dialogflow/processor_service_spec.rb
+++ b/spec/lib/integrations/dialogflow/processor_service_spec.rb
@@ -153,19 +153,33 @@ describe Integrations::Dialogflow::ProcessorService do
     let(:google_dialogflow) { Google::Cloud::Dialogflow::V2::Sessions::Client }
     let(:session_client) { double }
     let(:session) { double }
-    let(:query_input) { { text: { text: message, language_code: 'en-US' } } }
+    let(:language_code) { 'es-419' }
     let(:processor) { described_class.new(event_name: event_name, hook: hook, event_data: event_data) }
 
     before do
-      hook.update(settings: { 'project_id' => 'test', 'credentials' => 'creds' })
+      hook.update(settings: { 'project_id' => 'test', 'credentials' => 'creds', 'language_code' => language_code })
       allow(google_dialogflow).to receive(:new).and_return(session_client)
+      query_input = { text: { text: message, language_code: language_code } }
       allow(session_client).to receive(:detect_intent).and_return({ session: session, query_input: query_input })
     end
 
     it 'returns intended response' do
       response = processor.send(:get_response, conversation.contact_inbox.source_id, message.content)
       expect(response[:query_input][:text][:text]).to eq(message)
-      expect(response[:query_input][:text][:language_code]).to eq('en-US')
+      expect(response[:query_input][:text][:language_code]).to eq(language_code)
+    end
+
+    context 'when language code is not set on the hook' do
+      before do
+        hook.update(settings: { 'project_id' => 'test', 'credentials' => 'creds' })
+        allow(session_client).to receive(:detect_intent)
+          .and_return({ session: session, query_input: { text: { text: message, language_code: 'en-US' } } })
+      end
+
+      it 'defaults to en-US' do
+        response = processor.send(:get_response, conversation.contact_inbox.source_id, message.content)
+        expect(response[:query_input][:text][:language_code]).to eq('en-US')
+      end
     end
 
     it 'disables the hook if permission errors are thrown' do