diff --git a/Cargo.lock b/Cargo.lock
index 46ef8e5633d0..cd5a43442e98 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -249,9 +249,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "bytes"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0b3de4a0c5e67e16066a0715723abd91edc2f9001d09c46e1dca929351e130e"
+checksum = "ec8a7b6a70fde80372154c65702f00a0f56f3e1c36abbc6c440484be248856db"
 
 [[package]]
 name = "cc"
diff --git a/crates/shadowsocks-service/Cargo.toml b/crates/shadowsocks-service/Cargo.toml
index 486bd390a086..e13ddb8073d9 100644
--- a/crates/shadowsocks-service/Cargo.toml
+++ b/crates/shadowsocks-service/Cargo.toml
@@ -94,7 +94,7 @@ arc-swap = "1.3"
 
 spin = { version = "0.9" }
 lru_time_cache = "0.11"
-bytes = "1.0"
+bytes = "1.2"
 byte_string = "1.0"
 byteorder = "1.3"
 rand = { version = "0.8", features = ["small_rng"] }
diff --git a/crates/shadowsocks/Cargo.toml b/crates/shadowsocks/Cargo.toml
index 4404a950a87f..120223d0f533 100644
--- a/crates/shadowsocks/Cargo.toml
+++ b/crates/shadowsocks/Cargo.toml
@@ -50,7 +50,7 @@ neon = ["shadowsocks-crypto/neon"]
 log = "0.4"
 
 libc = "0.2.94"
-bytes = "1.0"
+bytes = "1.2"
 cfg-if = "1"
 byte_string = "1.0"
 base64 = "0.13"