diff --git a/rust-toolchain b/rust-toolchain
index 09aa8a4..10e3c69 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
 channel = "1.77.0"
-targets = [ "wasm32-unknown-unknown" ]
+targets = [ "wasm32-unknown-unknown", "thumbv6m-none-eabi" ]