diff --git a/tests/test_centos7_shared_php/requirements.txt b/tests/test_centos7_shared_php/requirements.txt
index c555076..4e88c7a 100644
--- a/tests/test_centos7_shared_php/requirements.txt
+++ b/tests/test_centos7_shared_php/requirements.txt
@@ -30,7 +30,7 @@ PyNaCl==1.4.0
 pyparsing==2.4.7
 pytest==6.1.2
 pytest-testinfra==6.1.0
-PyYAML==5.3.1
+PyYAML==5.4
 rich==9.2.0
 ruamel.yaml==0.16.12
 ruamel.yaml.clib==0.2.2