diff --git a/requirements.txt b/requirements.txt
index 0d25052..f98be05 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-anyio==4.8.0
+anyio==4.9.0
 asyncstdlib==3.13.1
 attrs==25.1.0
 backports.entry-points-selectable==1.3.0