diff --git a/requirements.txt b/requirements.txt
index fdadad5..35b2425 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ py==1.5.4
 pycodestyle==2.4.0
 pylint==2.1.1
 pytest==3.7.1
-PyYAML==3.13
+PyYAML==5.4
 six==1.11.0
 tornado==5.1
 watchdog==0.8.3