diff --git a/pyproject.toml b/pyproject.toml
index 094402dec..693ff09f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ dependencies = [
   "sqlalchemy[mypy]==2.0.49",
   "sqlalchemy-utils==0.42.1",
   "substrate-interface==1.8.1",
-  "types-aiofiles==25.1.0.20260409",
+  "types-aiofiles==25.1.0.20260518",
   "typing-extensions==4.15.0",
   "ujson==5.12.0",                                                                                                         # required by aiocache
   "urllib3==2.7.0",