diff --git a/Cargo.lock b/Cargo.lock
index 6cc6b6e..25473e7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -518,9 +518,9 @@ checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "h2"
-version = "0.4.0"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1d308f63daf4181410c242d34c11f928dcb3aa105852019e043c9d1f4e4368a"
+checksum = "31d030e59af851932b72ceebadf4a2b5986dba4c3b99dd2493f8273a0f151943"
 dependencies = [
  "bytes",
  "fnv",