diff --git a/Cargo.lock b/Cargo.lock
index e101ce4af612..4d46601abc6b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -953,9 +953,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.8"
+version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc250d6848c90d719ea2ce34546fb5df7af1d3fd189d10bf7bad80bfcebecd95"
+checksum = "a5dede4e2065b3842b8b0af444119f3aa331cc7cc2dd20388bfb0f5d5a38823a"
 dependencies = [
  "libc",
  "log",