diff --git a/requirements/test.txt b/requirements/test.txt
index bcb5537..7f3021f 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -7,5 +7,5 @@ mock==3.0.5
 nose==1.3.7
 pep8==1.7.1
 pyflakes==2.1.1
-PyYAML==5.1
+PyYAML==5.4
 requests==2.22.0
\ No newline at end of file