diff --git a/client/requirements.txt b/client/requirements.txt
index 00ab387..82770e7 100644
--- a/client/requirements.txt
+++ b/client/requirements.txt
@@ -8,7 +8,7 @@ idna==2.7
 ipaddress==1.0.22
 pycparser==2.18
 pyOpenSSL==18.0.0
-PyYAML==3.13
+PyYAML==5.4
 requests==2.19.1
 six==1.11.0
 urllib3==1.23