diff --git a/requirements.txt b/requirements.txt
index 9c20911..c2193a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ pyasn1==0.1.9
 pyasn1-modules==0.0.8
 python-dateutil==2.5.3
 python-twitter==3.1
-PyYAML==3.12
+PyYAML==5.4
 requests==2.9.1
 requests-aws4auth==0.9
 requests-oauthlib==0.4.1