diff --git a/twitter/requirements.txt b/twitter/requirements.txt
index 04fee05..923301a 100644
--- a/twitter/requirements.txt
+++ b/twitter/requirements.txt
@@ -12,7 +12,7 @@ oauth2client==2.0.1
 Pillow==2.6.1
 pynamodb==1.4.4
 python-dateutil==2.4.2
-PyYAML==3.11
+PyYAML==5.4
 Scrapy==1.0.4
 simplejson==3.8.2
 six==1.10.0