diff --git a/requirements.txt b/requirements.txt
index 7fa25bf..99329bc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 setuptools==39.1.0
 pyOpenSSL==18.0.0
-PyYAML==3.12
+PyYAML==5.1