diff --git a/requirements-dev.txt b/requirements-dev.txt
index cb94635..791d4aa 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --extra=dev --output-file=requirements-dev.txt
 #
-anyio==3.7.0
+anyio==4.0.0
     # via
     #   httpcore
     #   starlette
diff --git a/requirements.txt b/requirements.txt
index 00e139b..897adba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile
 #
-anyio==3.7.0
+anyio==4.0.0
     # via starlette
 click==8.1.6
     # via uvicorn