diff --git a/Package.resolved b/Package.resolved
index 83c7e88..f18e596 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -231,8 +231,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio.git",
       "state" : {
-        "revision" : "c51907a839e63ebf0ba2076bba73dd96436bd1b9",
-        "version" : "2.81.0"
+        "revision" : "663ddc80f2081c8f22e417cbac5f80270a93795e",
+        "version" : "2.91.0"
       }
     },
     {