diff --git a/requirements.txt b/requirements.txt
index 3bdebf7..a0166bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ idna==2.6
 pkginfo==1.4.2
 pypandoc==1.4
 python-dateutil==2.7.2
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 requests-toolbelt==0.8.0
 semantic-version==2.6.0