diff --git a/api/src/main/resources/requirements.txt b/api/src/main/resources/requirements.txt
index 4fbc904..bed6966 100644
--- a/api/src/main/resources/requirements.txt
+++ b/api/src/main/resources/requirements.txt
@@ -13,7 +13,7 @@ pyasn1==0.1.9
 pycparser==2.17
 pyhs2==0.6.0
 pywebhdfs==0.4.1
-PyYAML==3.12
+PyYAML==5.1
 requests==2.12.4
 sasl==0.2.1
 singledispatch==3.4.0.3