diff --git a/Cargo.lock b/Cargo.lock
index 9922e109..8aca4708 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -917,6 +917,16 @@ dependencies = [
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "heapless"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2af2455f757db2b292a9b1768c4b70186d443bcb3b316252d6b540aec1cd89ed"
+dependencies = [
+ "hash32",
+ "stable_deref_trait",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -1307,7 +1317,7 @@ dependencies = [
  "crc32fast",
  "derror-macro",
  "dyn-clone",
- "heapless",
+ "heapless 0.8.0",
  "illumos-sys-hdrs",
  "ingot",
  "itertools 0.14.0",
@@ -2051,15 +2061,15 @@ dependencies = [
 
 [[package]]
 name = "smoltcp"
-version = "0.11.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a1a996951e50b5971a2c8c0fa05a381480d70a933064245c4a223ddc87ccc97"
+checksum = "ac729b0a77bd092a3f06ddaddc59fe0d67f48ba0de45a9abe707c2842c7f8767"
 dependencies = [
  "bitflags 1.3.2",
  "byteorder",
  "cfg-if",
  "defmt 0.3.100",
- "heapless",
+ "heapless 0.9.2",
  "managed",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 76e5e8b8..b951345c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -69,7 +69,7 @@ slog = { version = "2.7", features = ["max_level_trace", "release_max_level_trac
 slog-async = "2.8"
 slog-envlogger = "2.2"
 slog-term = "2.9"
-smoltcp = { version = "0.11", default-features = false }
+smoltcp = { version = "0.13", default-features = false }
 syn = "2"
 tabwriter = { version = "1", features = ["ansi_formatting"] }
 thiserror = "2.0"