diff --git a/Cargo.lock b/Cargo.lock
index 5293edbb..2ac37c07 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2038,9 +2038,9 @@ checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
 [[package]]
 name = "smoltcp"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a1a996951e50b5971a2c8c0fa05a381480d70a933064245c4a223ddc87ccc97"
+checksum = "dad095989c1533c1c266d9b1e8d70a1329dd3723c3edac6d03bbd67e7bf6f4bb"
 dependencies = [
  "bitflags 1.3.2",
  "byteorder",
diff --git a/Cargo.toml b/Cargo.toml
index 5624c76f..c3c9be45 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -68,7 +68,7 @@ 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 = "0.12", default-features = false }
 syn = "2"
 tabwriter = { version = "1", features = ["ansi_formatting"] }
 thiserror = "1.0"