diff --git a/requirements.txt b/requirements.txt
index e47488f..edc7429 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Flask-SQLAlchemy==2.4.4
 Flask-WTF==0.14.3
 future==0.18.2
 gevent==20.9.0
-greenlet==0.4.16
+greenlet==0.4.17
 idna==2.10
 isort==5.5.3
 itsdangerous==1.1.0
@@ -55,5 +55,5 @@ WTForms==2.3.3
 yarl==1.6.0
 youtube-dl==2020.9.20
 youtube-search-fork==1.2.5
-zope.event==4.4
+zope.event==4.5.0
 zope.interface==5.1.0