diff --git a/cluster/project/requirements.txt b/cluster/project/requirements.txt
old mode 100755
new mode 100644
index d2aaf03..3681547
--- a/cluster/project/requirements.txt
+++ b/cluster/project/requirements.txt
@@ -18,7 +18,7 @@ pyasn1-modules==0.2.8
 pycparser==2.20
 python-dateutil==2.8.1
 python-string-utils==1.0.0
-PyYAML==5.3.1
+PyYAML==5.4
 requests==2.24.0
 requests-oauthlib==1.3.0
 rsa==4.6