diff --git a/Cargo.lock b/Cargo.lock
index 854e161e6401..c1b76246fb03 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -174,15 +174,6 @@ dependencies = [
  "syn 2.0.40",
 ]
 
-[[package]]
-name = "atomic-polyfill"
-version = "1.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cf2bce30dfe09ef0bfaef228b9d414faaf7e563035494d7fe092dba54b300f4"
-dependencies = [
- "critical-section",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -496,12 +487,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "critical-section"
-version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7059fff8937831a9ae6f0fe4d658ffabf58f2ca96aa9dec1c889f936f705f216"
-
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.8"
@@ -1039,9 +1024,9 @@ dependencies = [
 
 [[package]]
 name = "hash32"
-version = "0.2.1"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0c35f58762feb77d74ebe43bdbc3210f09be9fe6742234d573bacc26ed92b67"
+checksum = "47d60b12902ba28e2730cd37e95b8c9223af2808df9e902d4df49588d1470606"
 dependencies = [
  "byteorder",
 ]
@@ -1060,14 +1045,11 @@ checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
 
 [[package]]
 name = "heapless"
-version = "0.7.17"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdc6457c0eb62c71aac4bc17216026d8410337c4126773b9c5daba343f17964f"
+checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
 dependencies = [
- "atomic-polyfill",
  "hash32",
- "rustc_version",
- "spin 0.9.8",
  "stable_deref_trait",
 ]
 
@@ -2391,15 +2373,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
-[[package]]
-name = "rustc_version"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
-dependencies = [
- "semver",
-]
-
 [[package]]
 name = "rustix"
 version = "0.38.28"
@@ -2586,12 +2559,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "semver"
-version = "1.0.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
-
 [[package]]
 name = "sendfd"
 version = "0.4.3"
@@ -2887,9 +2854,9 @@ checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
 
 [[package]]
 name = "smoltcp"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d2e3a36ac8fea7b94e666dfa3871063d6e0a5c9d5d4fec9a1a6b7b6760f0229"
+checksum = "5a1a996951e50b5971a2c8c0fa05a381480d70a933064245c4a223ddc87ccc97"
 dependencies = [
  "bitflags 1.3.2",
  "byteorder",
diff --git a/crates/shadowsocks-service/Cargo.toml b/crates/shadowsocks-service/Cargo.toml
index d09a39ccdc5b..623a2b87da56 100644
--- a/crates/shadowsocks-service/Cargo.toml
+++ b/crates/shadowsocks-service/Cargo.toml
@@ -162,7 +162,7 @@ regex = "1.4"
 
 tun = { version = "0.6", optional = true, features = ["async"] }
 etherparse = { version = "0.13", optional = true }
-smoltcp = { version = "0.10", optional = true, default-features = false, features = [
+smoltcp = { version = "0.11", optional = true, default-features = false, features = [
     "std",
     "log",
     "medium-ip",