diff --git a/deeppavlov/_meta.py b/deeppavlov/_meta.py
index 9da14cace2..565d2063dd 100644
--- a/deeppavlov/_meta.py
+++ b/deeppavlov/_meta.py
@@ -1,4 +1,4 @@
-__version__ = '0.17.3'
+__version__ = '0.17.4'
 __author__ = 'Neural Networks and Deep Learning lab, MIPT'
 __description__ = 'An open source library for building end-to-end dialog systems and training chatbots.'
 __keywords__ = ['NLP', 'NER', 'SQUAD', 'Intents', 'Chatbot']
diff --git a/requirements.txt b/requirements.txt
index 85350cb599..7bfeb66fd8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,7 @@ numpy==1.18.0
 overrides==2.7.0
 pandas==0.25.3
 prometheus-client==0.7.1
+protobuf<4
 pytz==2019.1
 pydantic==1.3
 pymorphy2==0.8