diff --git a/package.json b/package.json
index ab74e2b..d5a7e1c 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
   "packageManager": "pnpm@8.6.10",
   "peerDependencies": {
     "@effect/data": "^0.18.3",
-    "@effect/io": "^0.39.0"
+    "@effect/io": "^0.40.0"
   },
   "devDependencies": {
     "@babel/cli": "^7.22.15",