diff --git a/requirements.txt b/requirements.txt
index 43f02aba..689fb1c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ six==1.16.0
 webdavclient3==3.14.6
 whitenoise==5.3.0
 icalendar==4.0.7
-pyyaml==5.4.1
+pyyaml==6.0
 uritemplate==3.0.1
 beautifulsoup4==4.10.0
 microdata==0.7.1