diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index ce9040a70..80acb3b5e 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.80"
+channel = "1.81"
 components = [ "rust-src", "rustfmt", "llvm-tools" ]
 targets = [
     "thumbv7em-none-eabi",