diff --git a/aiohttp_mysql/requirements.txt b/aiohttp_mysql/requirements.txt
index 22aff7b..e27f079 100644
--- a/aiohttp_mysql/requirements.txt
+++ b/aiohttp_mysql/requirements.txt
@@ -5,7 +5,7 @@ async-timeout==3.0.1
 attrs==19.3.0
 cffi==1.14.1
 chardet==3.0.4
-cryptography==3.0
+cryptography==3.2
 idna==2.10
 Jinja2==2.11.2
 MarkupSafe==1.1.1