diff --git a/Cargo.lock b/Cargo.lock
index d8838cf2b0c..9ffe5f364ee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -956,9 +956,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.6.22"
+version = "0.6.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fce347092656428bc8eaf6201042cb551b8d67855af7374542a92a0fbfcac430"
+checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
 dependencies = [
  "cfg-if 0.1.10",
  "fuchsia-zircon",