diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6d2c2e5..4f43d23 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,4 +2,4 @@ flake8==3.3.0
 isort==4.2.15
 autopep8==1.3.3
 wheel==0.30.0
-pyyaml==3.13
\ No newline at end of file
+pyyaml==5.1
\ No newline at end of file