diff --git a/requirements.txt b/requirements.txt
index 7de0460..59cc20c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ idna==2.7
 ipaddress==1.0.22
 pconf==1.4.0
 pycparser==2.19
-PyYAML==3.13
+PyYAML==5.4
 requests-kerberos==0.12.0
 simplejson==3.16.0
 six==1.11.0