diff --git a/Cargo.lock b/Cargo.lock
index 0aea65dc..516e137f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -22,9 +22,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.45"
+version = "1.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee10e43ae4a853c0a3591d4e2ada1719e553be18199d9da9d4a83f5927c2f5c7"
+checksum = "62e1f47f7dc0422027a4e370dd4548d4d66b26782e513e98dca1e689e058a80e"
 
 [[package]]
 name = "arc-swap"
@@ -411,9 +411,9 @@ dependencies = [
 
 [[package]]
 name = "futures"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a12aa0eb539080d55c3f2d45a67c3b58b6b0773c1a3ca2dfec66d58c97fd66ca"
+checksum = "8cd0210d8c325c245ff06fd95a3b13689a1a276ac8cfa8e8720cb840bfb84b9e"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -426,9 +426,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5da6ba8c3bb3c165d3c7319fc1cc8304facf1fb8db99c5de877183c08a273888"
+checksum = "7fc8cd39e3dbf865f7340dce6a2d401d24fd37c6fe6c4f0ee0de8bfca2252d27"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -436,15 +436,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88d1c26957f23603395cd326b0ffe64124b818f4449552f960d815cfba83a53d"
+checksum = "629316e42fe7c2a0b9a65b47d159ceaa5453ab14e8f0a3c5eedbb8cd55b4a445"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45025be030969d763025784f7f355043dc6bc74093e4ecc5000ca4dc50d8745c"
+checksum = "7b808bf53348a36cab739d7e04755909b9fcaaa69b7d7e588b37b6ec62704c97"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -453,18 +453,16 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "522de2a0fe3e380f1bc577ba0474108faf3f6b18321dbf60b3b9c39a75073377"
+checksum = "e481354db6b5c353246ccf6a728b0c5511d752c08da7260546fc0933869daa11"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18e4a4b95cea4b4ccbcf1c5675ca7c4ee4e9e75eb79944d07defde18068f79bb"
+checksum = "a89f17b21645bc4ed773c69af9c9a0effd4a3f1a3876eadd453469f8854e7fdd"
 dependencies = [
- "autocfg",
- "proc-macro-hack",
  "proc-macro2",
  "quote",
  "syn",
@@ -472,23 +470,22 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36ea153c13024fe480590b3e3d4cad89a0cfacecc24577b68f86c6ced9c2bc11"
+checksum = "996c6442437b62d21a32cd9906f9c41e7dc1e19a9579843fad948696769305af"
 
 [[package]]
 name = "futures-task"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d3d00f4eddb73e498a54394f228cd55853bdf059259e8e7bc6e69d408892e99"
+checksum = "dabf1872aaab32c886832f2276d2f5399887e2bd613698a02359e4ea83f8de12"
 
 [[package]]
 name = "futures-util"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36568465210a3a6ee45e1f165136d68671471a501e632e9a98d96872222b5481"
+checksum = "41d22213122356472061ac0f1ab2cee28d2bac8491410fd68c2af53d1cedb83e"
 dependencies = [
- "autocfg",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -498,8 +495,6 @@ dependencies = [
  "memchr",
  "pin-project-lite",
  "pin-utils",
- "proc-macro-hack",
- "proc-macro-nested",
  "slab",
 ]
 
@@ -607,9 +602,9 @@ checksum = "acd94fdbe1d4ff688b67b04eee2e17bd50995534a61539e45adfefb45e5e5503"
 
 [[package]]
 name = "httpdate"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6456b8a6c8f33fee7d958fcd1b60d55b11940a79e63ae87013e6d22e26034440"
+checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
 
 [[package]]
 name = "humantime"
@@ -799,9 +794,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.107"
+version = "0.2.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbe5e23404da5b4f555ef85ebed98fb4083e55a00c317800bc2a50ede9f3d219"
+checksum = "8521a1b57e76b1ec69af7599e75e38e7b7fad6610f037db8c79b127201b5d119"
 
 [[package]]
 name = "libmimalloc-sys"
@@ -1070,9 +1065,9 @@ checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.70"
+version = "0.9.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6517987b3f8226b5da3661dad65ff7f300cc59fb5ea8333ca191fc65fde3edf"
+checksum = "7df13d165e607909b363a4757a6f133f8a818a74e9d3a98d09c6128e15fa4c73"
 dependencies = [
  "autocfg",
  "cc",
@@ -1208,18 +1203,6 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed0cfbc8191465bed66e1718596ee0b0b35d5ee1f41c5df2189d0fe8bde535ba"
 
-[[package]]
-name = "proc-macro-hack"
-version = "0.5.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
-
-[[package]]
-name = "proc-macro-nested"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.32"
@@ -1394,9 +1377,9 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.20.1"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dac4581f0fc0e0efd529d069e8189ec7b90b8e7680e21beb35141bdc45f36040"
+checksum = "d37e5e2290f3e040b594b1a9e04377c2c671f1a1cfd9bfdef82106ac1c113f84"
 dependencies = [
  "log",
  "ring",
@@ -1633,7 +1616,7 @@ dependencies = [
 
 [[package]]
 name = "shadowsocks-rust"
-version = "1.12.2"
+version = "1.12.3"
 dependencies = [
  "build-time",
  "byte_string",
@@ -1916,9 +1899,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.13.1"
+version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52963f91310c08d91cb7bff5786dfc8b79642ab839e188187e92105dbfb9d2c8"
+checksum = "70e992e41e0d2fb9f755b37446f20900f64446ef54874f40a60c78f021ac6144"
 dependencies = [
  "autocfg",
  "bytes",
@@ -1936,9 +1919,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-macros"
-version = "1.5.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "114383b041aa6212c579467afa0075fbbdd0718de036100bc0ba7961d8cb9095"
+checksum = "c9efc1aba077437943f7515666aa2b882dfabfbfdf89c819ea75a8d6e9eaba5e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1972,7 +1955,7 @@ version = "0.23.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4baa378e417d780beff82bf54ceb0d195193ea6a00c14e22359e7f39456b5689"
 dependencies = [
- "rustls 0.20.1",
+ "rustls 0.20.2",
  "tokio",
  "webpki 0.22.0",
 ]
@@ -2010,9 +1993,9 @@ dependencies = [
 
 [[package]]
 name = "tower"
-version = "0.4.10"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c00e500fff5fa1131c866b246041a6bf96da9c965f8fe4128cb1421f23e93c00"
+checksum = "5651b5f6860a99bd1adb59dbfe1db8beb433e73709d9032b413a77e2fb7c066a"
 dependencies = [
  "futures-core",
  "pin-project",
diff --git a/Cargo.toml b/Cargo.toml
index 56923391..854534fa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "shadowsocks-rust"
-version = "1.12.2"
+version = "1.12.3"
 authors = ["Shadowsocks Contributors"]
 description = "shadowsocks is a fast tunnel proxy that helps you bypass firewalls."
 repository = "https://github.com/shadowsocks/shadowsocks-rust"
diff --git a/rust-toolchain b/rust-toolchain
index 73d90ae2..93af1dcb 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2021-09-10
+nightly-2021-11-22