diff --git a/requirements.txt b/requirements.txt
index a993c65..21762ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ pylint==1.9.1
 pytest==3.6.0
 pytest-cov==2.5.1
 pytz==2018.4
-PyYAML==3.12
+PyYAML==5.4
 requests==2.18.4
 six==1.11.0
 urllib3==1.22