diff --git a/requirements-test.txt b/requirements-test.txt
index 4ca3937..cb77f15 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -9,5 +9,5 @@ py==1.8.0
 pygame==1.9.3
 pytest==4.3.1
 python-rtmidi==1.2.1
-PyYAML==5.1
+PyYAML==5.4
 six==1.12.0