diff --git a/requirements/tests.txt b/requirements/tests.txt
index 52fcf51..4edfb56 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -1,5 +1,5 @@
 pytest==6.0.1
-pyyaml==5.3.1
+pyyaml==5.4
 dukpy==0.2.3
 pytest-mock==3.3.1
 boddle==0.2.9