diff --git a/requirements/dev.txt b/requirements/dev.txt
index ff9089c..d25715a 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -7,4 +7,4 @@ tox==3.19.0
 coverage==5.2.1
 Sphinx==3.2.0
 cryptography==3.0
-PyYAML==5.3.1
+PyYAML==6.0.1