diff --git a/requirements.txt b/requirements.txt
index d36781893..7596fef0a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ cchardet==2.1.7
 lxml==5.0.0
 olefile==0.47
 Pillow==10.1.0
-vobject==0.9.6.1
+vobject==0.9.9
 msglite==0.30.0
 icalendar==5.0.12