diff --git a/Cargo.lock b/Cargo.lock
index 6a1b6ca..cae291c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -159,9 +159,9 @@ dependencies = [
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf-codegen-pure 2.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "socket2 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-util 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/libs/hbb_common b/libs/hbb_common
index ad1f6e2..4ecfa0e 160000
--- a/libs/hbb_common
+++ b/libs/hbb_common
@@ -1 +1 @@
-Subproject commit ad1f6e2e43210eb073500891ffeb70506ee264dd
+Subproject commit 4ecfa0eaf40080ec2e7e75abfab33791a625deb5