diff --git a/requirements.txt b/requirements.txt
index b52b21a..05bb358 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-anyio            ~=1.3.0
+anyio            ~=2.0.2
 asyncio-throttle ~=1.0.1
 dataclasses      ~=0.6; python_version<"3.7"
 ircstates        ~=0.11.6