diff --git a/docs/conf.py b/docs/conf.py
index 5ef8a4c..75e7ef2 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -34,7 +34,6 @@
 extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.autosectionlabel',
-    'sphinxcontrib.asyncio',
 ]
 
 # Add any paths that contain templates here, relative to this directory.
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 17515c8..b975dc7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1 +1,2 @@
-sphinxcontrib-asyncio
\ No newline at end of file
+sphinx==2.4.2
+sphinx_rtd_theme==0.4.3
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 0e55323..c2f7f1e 100644
--- a/setup.py
+++ b/setup.py
@@ -72,7 +72,7 @@
 
     extras_require={
         'ccurl': ['pyota-ccurl'],
-        'docs-builder': ['sphinx', 'sphinx_rtd_theme', 'sphinxcontrib-asyncio'],
+        'docs-builder': ['sphinx >= 2.4.2', 'sphinx_rtd_theme >= 0.4.3'],
         'pow': ['pyota-pow >= 1.0.2'],
         # tox is able to run the tests in parallel since version 3.7
         'test-runner': ['tox >= 3.7'] + tests_require,