diff --git a/requirements.txt b/requirements.txt
index 6ea0f8d..da3e740 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-PyYAML==3.13
+PyYAML==5.4
 paramiko==2.4.2
 pycrypto==2.6.1
 pexpect==4.6.0