diff --git a/requirements-dev.txt b/requirements-dev.txt
index d1134d9..cec4577 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-anyio[trio]==4.4.0
+anyio[trio]==4.8.0
 build==1.2.1
 pytest==8.2.1
 pytest-cov==5.0.0