diff --git a/requirements.txt b/requirements.txt
index 306aecc..9488ef3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ pep8==1.7.0
 psutil==5.2.0
 pyOpenSSL==17.0.0
 python-coveralls==2.7.0
-pyYAML==3.12
+pyYAML==5.4
 requests==2.11.0
 requests-aws4auth==0.9
 six==1.10.0