diff --git a/requirements.txt b/requirements.txt
index 4a33a0e..a1b45fc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Pillow==6.2.0
 Pygments==2.4.2
 python-monkey-business==1.0.0
 pytz==2019.1
-PyYAML==5.1.1
+PyYAML==5.4
 rcssmin==1.0.6
 requests==2.22.0
 rjsmin==1.1.0