diff --git a/.fluentci/src/dagger/jobs.ts b/.fluentci/src/dagger/jobs.ts
index 6305b5f..0b03bea 100644
--- a/.fluentci/src/dagger/jobs.ts
+++ b/.fluentci/src/dagger/jobs.ts
@@ -66,6 +66,7 @@ export const test = async (src = ".") => {
         "wget",
         "pkg-config",
       ])
+      .withExec(["rustup", "component", "add", "llvm-tools"])
       .withExec([
         "wget",
         "https://github.com/taiki-e/cargo-llvm-cov/releases/download/v0.5.36/cargo-llvm-cov-x86_64-unknown-linux-gnu.tar.gz",