diff --git a/BUILD.md b/BUILD.md
index 4c4f21cc..bfe14d92 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -5,7 +5,7 @@ This document has detailed instructions on how to build ydb-python-sdk from sour
 ### Pre-requisites
 
 - Install [Docker](https://docs.docker.com/engine/install/).
-- Install [Python 3.8](https://www.python.org/downloads/release/python-38/)
+- Install [Python](https://docs.python.org/3.8/)
 - Install [pip](https://pip.pypa.io/en/latest/installation/)
 - Install [Tox](https://tox.wiki/en/latest/install.html)
 
@@ -43,5 +43,5 @@ tox -eblack-format
 Use the command below to run unit tests.
 
 ```sh
-tox -epy310
+tox -epy38
 ```
diff --git a/tox.ini b/tox.ini
index 05167761..3bcd3e38 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py36,py38,style,pylint,black,protoc
+envlist = py36,py38,py38,style,pylint,black,protoc
 minversion = 3.14.4
 skipsdist = True
 ignore_basepython_conflict = true
@@ -34,6 +34,14 @@ commands =
 commands =
     pytest -v -m tls --docker-compose-remove-volumes --docker-compose=docker-compose-tls.yml {posargs}
 
+[testenv:py310]
+commands =
+    pytest -v -m "not tls" --docker-compose-remove-volumes --docker-compose=docker-compose.yml {posargs}
+
+[testenv:py310-tls]
+commands =
+    pytest -v -m tls --docker-compose-remove-volumes --docker-compose=docker-compose-tls.yml {posargs}
+
 [testenv:black-format]
 skip_install = true
 deps = black