diff --git a/requirements/dev.txt b/requirements/dev.txt
index aba58807c..edcdf98cf 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -3,7 +3,7 @@ flake8>=3.3.0
 tox>=2.2.1
 pytest-cov>=2.4.0
 pylint>=1.7.2
-PyYAML==3.12
+PyYAML==5.1
 
 # Test requirements
 pytest>=3.0.7