diff --git a/requirements-dev.txt b/requirements-dev.txt
index fdfa68333..385a19cca 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -14,7 +14,7 @@ pytest-instafail
 pytest-timeout>=1.3.1
 pytest-xdist>=1.14
 pytest>=2.9.1
-PyYAML>=3.13
+PyYAML>=4.2b4
 requests_mock
 requires.io
 tenacity