diff --git a/rust-toolchain b/rust-toolchain
deleted file mode 100644
index 605c8f9..0000000
--- a/rust-toolchain
+++ /dev/null
@@ -1 +0,0 @@
-nightly-2020-02-03
diff --git a/rust-toolchain b/rust-toolchain
new file mode 120000
index 0000000..c2036a8
--- /dev/null
+++ b/rust-toolchain
@@ -0,0 +1 @@
+third_party/libtock-rs/rust-toolchain
\ No newline at end of file