docs: update install instructions (#2553)

Use POSIX `sh`, mitigate possible timing attacks.

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index dfc3fdfa6..25409db1b 100644
--- a/README.md
+++ b/README.md
@@ -157,7 +157,7 @@ shown below. Can't see yours? Have a look at the [extra platform instructions](h
    ##### From prebuilt binary, with Shell:
 
    ```sh
-   curl -fsSL https://starship.rs/install.sh | bash
+   sh -c "$(curl -fsSL https://starship.rs/install.sh)"
    ```
    To update the Starship itself, rerun the above script. It will replace the current version without touching Starship's configuration.