diff --git a/CMController/requirements.txt b/CMController/requirements.txt
index 3edaec6..81d4085 100644
--- a/CMController/requirements.txt
+++ b/CMController/requirements.txt
@@ -140,7 +140,7 @@ pyserial==3.4
 pytest==5.4.1
 python-chess==0.30.1
 python-dateutil==2.8.1
-PyYAML==5.3
+PyYAML==5.4
 pyzmq==18.1.1
 regex==2020.2.20
 Send2Trash==1.5.0