diff --git a/README.md b/README.md
index 41a0daa..bfd949f 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ RcGcDb is a backend for handling webhooks to which recent changes of MediaWiki w
 * beautifulsoup 4.6.0>
 * aiohttp 3.6.2>
 * lxml 4.2.1>
+* nest-asyncio 1.4.0>
 
 #### Installation
 ```
diff --git a/requirements.txt b/requirements.txt
index 945fadf..1c45373 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 beautifulsoup4 >= 4.6.0; python_version >= '3.6'
 aiohttp >= 3.6.2
-lxml >= 4.2.1
\ No newline at end of file
+lxml >= 4.2.1
+nest-asyncio >= 1.4.0
\ No newline at end of file