diff --git a/requirements.txt b/requirements.txt
index 82f6f29..d1cd865 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ pycparser==2.18
 PyDispatcher==2.0.5
 Pygments==2.2.0
 pyOpenSSL==17.2.0
-PyYAML==3.12
+PyYAML==5.1
 queuelib==1.4.2
 requests==2.18.4
 retrying==1.3.3