diff --git a/requirements-dev.txt b/requirements-dev.txt
index 12d9599..b046e88 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,6 +3,6 @@ coverage==4.0.3
 mock==2.0.0
 pytest==2.9.1
 pytest-cov==2.2.1
-pyyaml==4.2b1
+pyyaml==5.4