diff --git a/Twitter/requirements.txt b/Twitter/requirements.txt
index 9f52419..b751bdf 100644
--- a/Twitter/requirements.txt
+++ b/Twitter/requirements.txt
@@ -63,7 +63,7 @@ PySocks==1.6.8
 python-dateutil==2.7.3
 python-editor==1.0.3
 pytz==2018.4
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==17.0.0
 qtconsole==4.3.1
 requests==2.19.1