diff --git a/requirements.txt b/requirements.txt
index 764ed5d..4017392 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 enum34==1.1.6
 pika==0.10.0
-PyYAML==3.11
+PyYAML==5.1
 requests==2.10.0
 wheel==0.24.0
 pytest==3.0.3