diff --git a/Cargo.lock b/Cargo.lock
index 0c99862..ee321ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -716,7 +716,7 @@ dependencies = [
 [[package]]
 name = "smoltcp-nal"
 version = "0.1.0"
-source = "git+https://github.com/quartiq/smoltcp-nal.git?branch=feature/random-port#462adc56a8cc95bc1324f6d96fdbe82e85ca6d36"
+source = "git+https://github.com/quartiq/smoltcp-nal.git?branch=feature/random-port#b5b050b135f3fe89e1a33d7d9f1d3d8570132f3c"
 dependencies = [
  "embedded-nal",
  "heapless 0.6.1",