diff --git a/src/release.rs b/src/release.rs
index 9558361c..c45ca266 100644
--- a/src/release.rs
+++ b/src/release.rs
@@ -617,7 +617,7 @@ static LLVM_URL: Lazy<Url> = Lazy::new(|| {
             panic!("unsupported macOS architecture");
         }
     } else if cfg!(target_os = "linux") {
-        Url::parse("https://github.com/indygreg/toolchain-tools/releases/download/toolchain-bootstrap%2F20251029/llvm-20.1.4+20251029-gnu_only-x86_64-unknown-linux-gnu.tar.zst").unwrap()
+        Url::parse("https://github.com/indygreg/toolchain-tools/releases/download/toolchain-bootstrap%2F20251029/llvm-21.1.4+20251029-gnu_only-x86_64-unknown-linux-gnu.tar.zst").unwrap()
     } else {
         panic!("unsupported platform");
     }