diff --git a/README.md b/README.md
index 8e7d062..9eb3356 100644
--- a/README.md
+++ b/README.md
@@ -148,6 +148,7 @@ uer.delete('contacts') # will remove user entities for given session
 
 #Changelog
 
+* 1.2.1 - fixed UTF-8 in text-requests
 * 1.2.0 - added configurable session_id and full userEntities support
 * 1.1.4 - removed unused dependency and updated default API version 
 * 1.1.3 - fixed non-correctly serialized parameters in new contexts during query send process
diff --git a/lib/api-ai-ruby/constants.rb b/lib/api-ai-ruby/constants.rb
index 802ff42..b42425e 100644
--- a/lib/api-ai-ruby/constants.rb
+++ b/lib/api-ai-ruby/constants.rb
@@ -1,6 +1,6 @@
 module ApiAiRuby
   class Constants
-    VERSION = '1.2.0'
+    VERSION = '1.2.1'
     DEFAULT_BASE_URL = 'https://api.api.ai/v1/'
     DEFAULT_API_VERSION = '20150910'
     DEFAULT_CLIENT_LANG = 'en'
diff --git a/lib/api-ai-ruby/crud/user_entity_request.rb b/lib/api-ai-ruby/crud/user_entity_request.rb
index 6672de1..1bc2bb6 100644
--- a/lib/api-ai-ruby/crud/user_entity_request.rb
+++ b/lib/api-ai-ruby/crud/user_entity_request.rb
@@ -3,6 +3,7 @@ class UserEntitiesRequest < ApiAiRuby::RequestQuery
 
     def initialize(client,  options = {})
       super client, options
+      @headers['Content-Type'] = 'application/json; charset=UTF-8'
       @crud_base_uri = client.api_base_url + 'userEntities'
       @uri = @crud_base_uri
     end
diff --git a/lib/api-ai-ruby/request/text_request.rb b/lib/api-ai-ruby/request/text_request.rb
index e886f24..9449042 100644
--- a/lib/api-ai-ruby/request/text_request.rb
+++ b/lib/api-ai-ruby/request/text_request.rb
@@ -3,6 +3,7 @@ class TextRequest < ApiAiRuby::RequestQuery
     def initialize (client, options={})
       options[:lang] = client.api_lang
       super client, options
+      @headers['Content-Type'] = 'application/json; charset=UTF-8'
     end
   end
 end
diff --git a/spec/api-ai-ruby/api_spec.rb b/spec/api-ai-ruby/api_spec.rb
index 184e6da..f9fcfc6 100644
--- a/spec/api-ai-ruby/api_spec.rb
+++ b/spec/api-ai-ruby/api_spec.rb
@@ -12,6 +12,10 @@
     expect(response[:result][:action]).to eq 'greeting'
   end
 
+  it 'should correct work with utf-8 entities' do
+    response = @client.text_request '你好'
+    expect(response[:result][:resolvedQuery]).to eq '你好'
+  end
   it 'should use input contexts' do
     response = @client.text_request 'Hello', :resetContexts => true
     expect(response[:result][:action]).to eq 'greeting'
@@ -36,7 +40,9 @@
   end
 
   it 'should send voiceData to API' do
-    expect(@client.voice_request(File.new(fixture_path + '/hello.wav'))[:result][:resolvedQuery]).to eq 'hello'
+    # expect(@client.voice_request(File.new(fixture_path + '/hello.wav'))[:result][:resolvedQuery]).to eq 'hello'
+    # asr was disabled for non-premium users
+    expect {@client.voice_request(File.new(fixture_path + '/hello.wav'))}.to raise_error(ApiAiRuby::RequestError)
   end
 
   it 'should correctly set contexts with parameters' do
@@ -98,8 +104,5 @@
       @uer.delete('dwarfs')
       expect{@uer.retrieve('dwarfs')}.to raise_error(ApiAiRuby::RequestError)
     end
-
   end
-
-
 end