diff --git a/02_quickstart_aggregation/Cargo.lock b/02_quickstart_aggregation/Cargo.lock
index d9e048f..ef75982 100644
--- a/02_quickstart_aggregation/Cargo.lock
+++ b/02_quickstart_aggregation/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "async-trait"
 version = "0.1.30"
@@ -1331,9 +1333,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-rustls"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4adb8b3e5f86b707f1b54e7c15b6de52617a823608ccda98a15d3a24222f265a"
+checksum = "15cb62a0d2770787abc96e99c1cd98fcf17f94959f3af63ca85bdfb203f051b4"
 dependencies = [
  "futures-core",
  "rustls",