diff --git a/embassy-net/Cargo.toml b/embassy-net/Cargo.toml
index ccfa2906..e40d116c 100644
--- a/embassy-net/Cargo.toml
+++ b/embassy-net/Cargo.toml
@@ -35,7 +35,7 @@ atomic-pool = "0.2.1"
 
 [dependencies.smoltcp]
 git = "https://github.com/smoltcp-rs/smoltcp"
-rev = "f5bc05cda8d83595c98688991f4b69fc963a88f6"
+rev = "3644b94b82d9433313c75281fdc78942c2450bdf"
 default-features = false
 features = [
   "proto-ipv4",
diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml
index 1f064667..8de5b863 100644
--- a/examples/stm32f7/Cargo.toml
+++ b/examples/stm32f7/Cargo.toml
@@ -26,6 +26,6 @@ critical-section = "0.2.3"
 
 [dependencies.smoltcp]
 git = "https://github.com/smoltcp-rs/smoltcp"
-rev = "f5bc05cda8d83595c98688991f4b69fc963a88f6"
+rev = "3644b94b82d9433313c75281fdc78942c2450bdf"
 default-features = false
 features = ["defmt"]
\ No newline at end of file
diff --git a/examples/stm32h7/Cargo.toml b/examples/stm32h7/Cargo.toml
index 860cc68e..dc31c6b5 100644
--- a/examples/stm32h7/Cargo.toml
+++ b/examples/stm32h7/Cargo.toml
@@ -28,6 +28,6 @@ micromath = "2.0.0"
 
 [dependencies.smoltcp]
 git = "https://github.com/smoltcp-rs/smoltcp"
-rev = "f5bc05cda8d83595c98688991f4b69fc963a88f6"
+rev = "3644b94b82d9433313c75281fdc78942c2450bdf"
 default-features = false
 features = ["defmt"]
\ No newline at end of file