diff --git a/presentations/async-await-intro/example/async-await-intro/Cargo.lock b/presentations/async-await-intro/example/async-await-intro/Cargo.lock
index 9017322f..9f3b13f2 100644
--- a/presentations/async-await-intro/example/async-await-intro/Cargo.lock
+++ b/presentations/async-await-intro/example/async-await-intro/Cargo.lock
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.13"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37a82c6d637fc9515a4694bbf1cb2457b79d81ce52b3108bdeea58b07dd34a57"
+checksum = "66b91535aa35fea1523ad1b86cb6b53c28e0ae566ba4a460f4457e936cad7c6f"
 dependencies = [
  "bytes",
  "fnv",