diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index bdebbab..41a2d69 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,6 +1,6 @@
 [toolchain]
 channel = "1.90.0"
-components = ["cargo", "clippy", "rustfmt", "rust-analyzer"]
+components = ["cargo", "clippy", "rustfmt", "rust-analyzer", "llvm-tools-preview"]
 targets = [
     "thumbv7em-none-eabihf",
     "thumbv7em-none-eabi",