diff --git a/requirements.txt b/requirements.txt
index 28c69e7..ef892ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -165,7 +165,7 @@ pytz==2019.3
 pywin32==300
 pywin32-ctypes==0.2.0
 pywinpty==0.5.7
-PyYAML==3.13
+PyYAML==5.4
 pyzmq==19.0.0
 regex==2020.11.13
 requests==2.22.0