diff --git a/snippets/recipient-validation/rust_recipient_validation/Cargo.lock b/snippets/recipient-validation/rust_recipient_validation/Cargo.lock
index f83569a..8e94691 100644
--- a/snippets/recipient-validation/rust_recipient_validation/Cargo.lock
+++ b/snippets/recipient-validation/rust_recipient_validation/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "arc-swap"
 version = "0.4.7"
@@ -457,9 +459,9 @@ dependencies = [
 
 [[package]]
 name = "net2"
-version = "0.2.34"
+version = "0.2.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ba7c918ac76704fb42afcbbb43891e72731f3dcca3bef2a19786297baf14af7"
+checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae"
 dependencies = [
  "cfg-if",
  "libc",