diff --git a/requirements.txt b/requirements.txt
index 324361232..d178b0cb9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ six==1.16.0
 webdavclient3==3.14.6
 whitenoise==6.5.0
 icalendar==5.0.4
-pyyaml==6.0
+pyyaml==6.0.1
 uritemplate==4.1.1
 beautifulsoup4==4.11.1
 microdata==0.8.0