diff --git a/Cargo.lock b/Cargo.lock
index 10c55f5..8e1a175 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -508,9 +508,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.4"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7f3675cfef6a30c8031cf9e6493ebdc3bb3272a3fea3923c4210d1830e6a472"
+checksum = "8f072413d126e57991455e0a922b31e4c8ba7c2ffbebf6b78b4f8521397d65cd"
 dependencies = [
  "bytes",
  "fnv",
@@ -602,9 +602,9 @@ checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
 name = "hyper"
-version = "0.14.13"
+version = "0.14.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15d1cfb9e4f68655fa04c01f59edb405b6074a0f7118ea881e5026e4a1cd8593"
+checksum = "b7ec3e62bdc98a2f0393a5048e4c30ef659440ea6e0e572965103e72bd836f55"
 dependencies = [
  "bytes",
  "futures-channel",
diff --git a/crates/shadowsocks-service/Cargo.toml b/crates/shadowsocks-service/Cargo.toml
index 485e91a..d690e1d 100644
--- a/crates/shadowsocks-service/Cargo.toml
+++ b/crates/shadowsocks-service/Cargo.toml
@@ -98,7 +98,7 @@ mio = { version = "0.7", optional = true }
 socket2 = { version = "0.4", features = ["all"] }
 libc = "0.2"
 
-hyper = { version = "0.14.7", optional = true, features = ["full"] }
+hyper = { version = "0.14.16", optional = true, features = ["full"] }
 tower = { version = "0.4", optional = true }
 
 trust-dns-resolver = { version = "0.20.3", optional = true, features = ["serde-config"] }