diff --git a/Cargo.lock b/Cargo.lock
index ae74555..3ae8171 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -60,15 +60,6 @@ dependencies = [
  "syn 2.0.41",
 ]
 
-[[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 = "atty"
 version = "0.2.14"
@@ -213,12 +204,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "critical-section"
-version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7059fff8937831a9ae6f0fe4d658ffabf58f2ca96aa9dec1c889f936f705f216"
-
 [[package]]
 name = "defmt"
 version = "0.3.5"
@@ -382,9 +367,9 @@ checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[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",
 ]
@@ -397,14 +382,11 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
 [[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",
 ]
 
@@ -808,7 +790,7 @@ dependencies = [
  "cc",
  "libc",
  "once_cell",
- "spin 0.5.2",
+ "spin",
  "untrusted 0.7.1",
  "web-sys",
  "winapi",
@@ -820,15 +802,6 @@ version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
-[[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"
@@ -857,12 +830,6 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
-[[package]]
-name = "semver"
-version = "1.0.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
-
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -880,9 +847,9 @@ 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",
@@ -909,15 +876,6 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
-[[package]]
-name = "spin"
-version = "0.9.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
-dependencies = [
- "lock_api",
-]
-
 [[package]]
 name = "stable_deref_trait"
 version = "1.2.0"
diff --git a/Cargo.toml b/Cargo.toml
index 6ed6b46..06f34af 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ rand = "0.8"
 nom = "7"
 async-trait = "0.1"
 priority-queue = "1.3"
-smoltcp = { version = "0.10", default-features = false, features = [
+smoltcp = { version = "0.11", default-features = false, features = [
     "std",
     "log",
     "medium-ip",