diff --git a/requirements.txt b/requirements.txt
index e38e55b..546ddfb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ py==1.4.31
 pycodestyle==2.0.0
 pyflakes==1.2.3
 pytest==3.0.2
-PyYAML==3.12
+PyYAML==5.4
 ramlfications==0.1.9
 requests==2.11.1
 six==1.10.0