diff --git a/constraints.txt b/constraints.txt
index 7f547d7bea..7ea3e3ac03 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -1,5 +1,5 @@
 # Constraints generated by tools/freeze-constraints.sh
-anyio==4.9.0
+anyio==4.12.0
 Babel==2.12.1
 backports.ssl-match-hostname==3.7.0.1
 bcrypt==4.3.0