diff --git a/python/requirements.txt b/python/requirements.txt
index 68d15bdd..6f56eba1 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -3,6 +3,6 @@ numpy==1.10.4
 flake8==2.3.0
 pep8==1.5.7
 pytest==2.6.4
-pyyaml==4.2
+pyyaml==5.4
 tox==1.8.1
 virtualenv==1.11.6