diff --git a/Cargo.toml b/Cargo.toml
index 57195c6b6..3e743cf83 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -98,7 +98,8 @@ embassy-net-driver = { git = "https://github.com/kaspar030/embassy", branch = "f
 
 usbd-hid-macros = { git = "https://github.com/kaspar030/usbd-hid", branch = "for-riot-rs" }
 
-smoltcp.git = "https://github.com/smoltcp-rs/smoltcp.git" # version 0.12-to-be
+# version 0.12-to-be
+smoltcp = { git = "https://github.com/smoltcp-rs/smoltcp.git", rev = "125773e282bc2e0c914a49e9c75573926e26e558" }
 
 [workspace.lints.rust]
 unsafe_op_in_unsafe_fn = "warn"