diff --git a/Cargo.lock b/Cargo.lock
index 7cb74a5..ba532ce 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -285,9 +285,9 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.5"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de27142b013a8e869c14957e6d2edeef89e97c289e69d042ee3a49acd8b51789"
+checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
 
 [[package]]
 name = "futures-macro"